f(x) and g(x) PRACTICE

Evaluate f(-2) if f(x) = x + 3

• -1
• 1
• 5
• -5

Tags

CCSS.HSF.IF.A.2

Evaluate f(-2) if f(x) = 5x+ 3

• -1

• 1

• -7

• 7

What is f(1) if f(x) = -4 + 6x

• 1

• -2

• 0

• 4

Given f(x) = x² - 7x

Find f(8).

• 8

• -48

• -40

• 10

If g(x) = -9

Find g(x) = -2x + 10

• 33

• -1

• -13

• 28

Given g(x) = 13 determine g(x) = 7x - 3x

• 62

• 52

• 130

• -13

Given f(-10), find f(x) = 2x + 3x²

• 320

• 250

• -300

• 280

Given f(-5), find f(x) = (3/5)x - 20

• -23

• -30

• -17

• -10

Given f(10) find f(x) = -3x + 2x². Write your answer as an ordered pair.

• (10, 50)

• (-100, 10)

• (10, 170)

• (100, -170)

Given g(x) = -8, find g(x) = (3/4)x + 5. Write your answer as an ordered pair.

• (-8, -1)

• (8, 1)

• (-10, 8)

• (-8, 10)