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IM2_Matrix 2025_Cycle 4 Prep_F.IF.8a

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Last updated 4 months ago
10 Nsɛmmisa
Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

IM2 Cycle 4 Test Prep F.IF.8a

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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

A student launches a model rocket from a small platform in an open field. The height of the rocket $h$ (in feet) above the ground $t$ seconds after the engine ignites is modeled by the function:

.

What is the height of the platform from which the rocket was launched?

feet

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Enter an equation for the line of symmetry for the function defined by

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

A grasshopper is sitting on the ground and leaps into the air to move to a new spot. The height of the grasshopper, $y$ (in inches), can be modeled by the distance it has traveled forward, $x$ (in inches), using the following equation:

How far did the grasshopper travel, in inches, from its starting point to where it landed?

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

A small remote-controlled research submarine is exploring a lake. Its depth $D$ (in meters) relative to the surface $t$ minutes after it begins its descent is modeled by the function:

What is the deepest depth the submarine reached during the dive?

meters

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

A student starts a business printing custom t-shirts for school clubs. The daily profit, $P$, depends on how many shirts, $x$, are produced each day. The profit function is:

Select the number of t-shirts sold that will minimize profit.

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

The height of Emilio's feet were measured during a long jump. His jump is modeled by the function

, where t is the time in seconds and h is the height in feet.

How long was he in the air?


He was in the air seconds.

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

The height of Emilio's feet were measured during a long jump. His jump is modeled by the function

, where t is the time in seconds and h is the height in feet.

At what time was he at his highest point?


He was at his highest point at seconds.

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

A glassworks company makes blown glass bowls and has a daily production cost, C, in dollars modeled by the equation:

How many bowls, $b$, should be made to minimize the production cost?

Asemmisa {{asɛmmisaAhyɛnsode}}
9.

Elissa has a hammock in her backyard that is tied to two palm trees. The hammock's shape is modeled by the function:

How far apart are the palm trees?

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

Selena jumped off a cliff into a river. Her height as a function of time is modeled by the function:

where $t$ is the time in seconds and $h$ is the height in feet.

How long was Selena in the air?