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Yr11 Exponential Functions

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Last updated 10 days ago
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Question 1
1.

Explain why all non-translated exponential functions have a y-intercept of 1?

Question 2
2.

Which of the following functions is not an exponential function?

Question 3
3.

In the function
what effect does the '+3' have on the graph of the parent function?

Question 4
4.

What does the function
represent in terms of a transformation of the base function?

Question 5
5.

For the exponential function
how is the graph affected by the '-2' as compared to the parent function?

Question 6
6.

Write the exponential function that represents a shift of 5 units to the left and 3 units upward from the parent function

Question 7
7.

The equation for the exponential function is
What does the variable 'h' represent in the function?

Question 8
8.

If we have an exponential function
how is the graph of this function translated compared to the parent function?

Question 9
9.

Given an exponential function
how is the graph of this function translated compared to the parent function?

Question 10
10.

What is the value of 'k' in the exponential function
if the function translates 7 units down from the parent fucntion?

Question 11
11.

Given the function
calculate y if x = -2.

Question 12
12.

Evaluate the following expression for x = 2:

Question 13
13.

Sketch the graph of
and label the y-intercept and asymptote

Question 14
14.

Sketch the graph of

and label the y-intercept and asymptote

Question 15
15.

Here is a function in the form
Find the values of a and p

Question 16
16.

Solve for x

Question 17
17.

Solve for x

Question 18
18.

Solve for x

Question 19
19.

Solve the exponential equation:

Question 20
20.

What is the value of x?

Question 21
21.

Find the value of x in the equation

Question 22
22.

Question 23
23.

For the function:
Find P(-2)

Question 24
24.

For the function:

Find P(x+4)

Question 25
25.

Write down the function and sketch its graph:
a reflection of
in the x-axis

Question 26
26.

Write down the function and sketch its graph:
a horizontal translation of
by 3 units to the right

Question 27
27.

Sketch the graph of
and state its range

Question 28
28.

Solve for x

Question 29
29.

Solve for x

Question 30
30.

Using a calculator, solve for x

Question 31
31.

Using a calculator, solve for x to 2 d.p

Question 32
32.

This function is in the form
Find the value of f(1)

Question 33
33.

Solve for x to 2 d.p. You can use your Ti84.

Question 34
34.

The population of wallabies in a rocky valley after t months is
What is the population after 4 months?

Question 35
35.

A house that costs $200,000 will appreciate in value by 3% each year. Write a function that models the cost of the house over time. Use x for years and y for the value of the house, in dollars. Find the value of the house at the end of ten years.

Question 36
36.

The most recent virus that is making people ill is a fast multiplying one. On the first day of the illness, only 2 virus “bugs” are present. Each day after, the amount of “bugs” triples. Write a function that models the “bugs” growth over time. Use x for days and y for the amount of “bugs.” Find the amount of “bugs” present by the 5th day.

Question 37
37.

Toby ate half a banana in his room and forgot to throw the rest away. That night, two fruit flies came to visit the banana. Each night after, there were four times as many fruit flies hanging around the banana. Write a function that models the fruit flies growth over time. Use x for the nights and y for the number of fruit flies.
Toby's mom said that he will be grounded if the fruit flies number more than 120. On what night will Toby be in trouble if he doesn’t step in and solve the fruit fly problem?