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Math III Functions Review

Last updated almost 2 years ago

11 Nsɛmmisa

Our new unit is about exponential and logarithmic functions. This formative will help you to review some basic function information from earlier in the year.

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1.

Which of the following relations are functions?

Graph (a)

Graph (b)

Graph (c)

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2.

Sketch a relation that is not a function on the coordinate plane below.

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3.

Explain how you know the relation you graphed is not a function.

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4.

State the domain of the function shown. Each line is 1 on the graph.

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5.

State the range of the relation shown. Each line is 1 on the graph.

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6.

Evaluate the function below for x = -7:

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7.

Given g(x) below, find g(n + 2).

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8.

Given f(x) and g(x) below, find f(g(3)). Remember, this is function composition, where the output of one function becomes the input for the other.

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9.

Given f(x) and g(x) below, find f(g(x)) in a simplified form.

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10.

Given f(x) and g(x) below, find g(f(x)) in a simplified form.

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11.

Your answers to #9 and #10 should not be the same. Explain why.