Function Notation Review

f(x) is the same thing as ______.

• y
• x
• input
• an equation

Tags

CCSS.HSF.IF.A.1

What is the value of x in:
f(4) = 3x - 1

• 11
• 4
• -1
• 0

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

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

• x = -5

• x = 5

• x = -50

• x = 30

Tags

CCSS.HSF.IF.A.2

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

• 9
• 8
• 7
• 6

Tags

CCSS.HSF.IF.A.2

g(9) = 2x + 1 means?

• substitute 9 for x

• multiply the variable g time 9

• y is equal to 9

• 2x + 1 equals 9

Tags

CCSS.HSF.IF.A.2

h(x) = 3x + 1 evaluate when h(x) = 10 is the same as saying

• substitute 10 for x

• on a graph y = 10 for this function

• multiply h by 10

• the 10th value of h will be 3x + 1

Tags

CCSS.HSF.IF.A.2

Given f(x) = - x²- 5, find f(3).

• 14

• 45

• -45

• -14

Tags

CCSS.HSF.IF.A.2

If g(x) = 9x and f(x)=3x + 7

Find g(-4) + f(5)

• 14

• -14

• 18

• -58

Tags

CCSS.HSF.IF.A.2

If h(x) = -5x + 7,

Evaluate 6h(2).

• -2

• 3

• -18

• -3

Tags

CCSS.HSF.IF.A.2