Function Notation

If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?

• 7

• -2

• -9

• -10

Tags

CCSS.HSF.IF.A.2

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

• f(-1) = -20

• f(-1) = -24

Tags

CCSS.HSF.IF.A.2

Given f(x) = 6x + 3 and g(x) = 8 – 5x, find f(3) - g(2)

• -19

• 19

• -23

• 23

Tags

CCSS.HSF.IF.A.2

If h(x) = -5x + 7,
Evaluate 6h(2).

• -2

• 3

• -18

• -3

Tags

CCSS.HSF.IF.A.2

If g(x) = 6(-8x + 12) + 7, what is the value of g(6)?

Mathematical Equivalence

ON

Tags

CCSS.HSF.IF.A.2

Given h(x) = 5 - 9x, find h(8). 

Mathematical Equivalence

ON

Tags

CCSS.HSF.IF.A.2

If g(x) = 2(-5x +2) + 10, what is the value of g(4)?

Mathematical Equivalence

ON

Tags

CCSS.HSF.IF.A.2

Function f gives the temperature, in Celsius, t hours after midnight. Use function notation to write an equation or expression for each statement. The temperature was the same at 9 a.m. and at 4 p.m.

• f(9) = f(4)

• f(9) = f(16)

• f(9) = 4

• f(9) = 16

Tags

CCSS.HSF.IF.A.2

What does f(1990)=214 mean in the context of the problem?

• In 1990 there were 214 million people with health insurance

• In 214, there were 1990 people with health insurance

• When there are 1990 people, the year is 214

• None of these

Tags

CCSS.HSF.IF.B.4

When f(x) = 4x+8 and g(x) = x+3, find f(x) * g(x). 

• 4x²+24

• 4x²+20x+24

• 4x²+12x+24

• 4x²+4x+24

Tags

CCSS.HSF-BF.A.1B