Evaluating a Function Review

For what value of t is H(t) = 4" ?

• 0

• 1

• 2

• 14

• 7

Tags

CCSS.HSF.IF.A.2

Given that f(x)= 2x² + 5x - 17, find f(-1).

• f(-1) = -20

• f(-1) = -24

• f(-1) = -10

• f(-1) = 0

• f(-1) = 6

Tags

CCSS.HSF.IF.A.2

Evaluate the function for the given value:

• 24

• -24

• 18

• 15

• -18

Tags

CCSS.HSF.IF.A.2

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)

• (3,4) (4,-3) (7,4) (3, 8)

• (6,-5) (7, -3) (8, -1) (6, -5)

• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

Given that f(x) = x² - 8, find f(2) - f(3).

• -7

• 5

• -1

• -5

• 7

Tags

CCSS.HSF.IF.A.2

Given that f(x) = 6x² - 2x + 1, find f(-2) - 4.

• 29

• -19

• 25

• -23

• 20

Tags

CCSS.HSF.IF.A.2

What should we know immediately upon seeing f(x) (or any other variables in that form)?

• it is y

• it is x

• it is a function

• it is ugly

• it is a hard problem

Tags

CCSS.HSF.IF.A.1

How would you write y = 2x - 3 in function notation?

• y = 2x-3

• f = 2x - 3

• f(x) = 2x-3

Tags

CCSS.HSF.IF.A.2

If a question asks you to find f(2), what does that mean?

• Let x = 2

• Let y = 2

Tags

CCSS.HSF.IF.A.2

If f(x) = 2x+1, what would the function look like once you substitute in a 1 to find f(1)?

• f(x) = 21+1

• f(1) = 2 (1) + 1

• f(1) = 2x (1) + 1

Tags

CCSS.HSF.IF.A.2