Function Notation

f(x) is the same thing as ______.

• y
• x
• input
• an equation

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

• -1
• 1
• 5
• -5

Evaluate f(-2) if f(x) = x²+ 3

• -1
• 1
• 7
• -7

Tags

CCSS.HSF.IF.A.2

Let w(x) = 3x - 7. If w(x) = 14, find x.

• 7
• 35
• 2.33333
• -49

Tags

CCSS.HSF.IF.A.2

If f(x) = x - 5, what is the value of x when f(x) = 15?

• 20
• 10
• 5
• 0

Tags

CCSS.HSF.IF.A.2

g(x) = 3x + 1
g(10) = ______

• 14
• 31
• 15
• -31

Tags

CCSS.HSF.IF.A.2

g(x) = x + 1
g(8) = ______

• 9
• 8
• 7
• 6

Tags

CCSS.HSF.IF.A.2

What does f(-4) equal?
f(-4) = -2x - 8

• 8
• -4
• -16
• 0

If h(a) = 3 - 2x²

Find h(-3).

• 33
• 21
• 39
• -15

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5

• x = 5

• x = -50

• x = 30