Function Notation Skills Check

Given the function f(x)=2x-3, find f(-2).

• -7
• 1
• 2.5
• -1

Tags

CCSS.HSF.IF.A.2

Given the function f(x)=2x-3, find x when f(x)=9.

• 6
• 15
• 21
• 3

Tags

CCSS.HSF.IF.A.2

The graph of h(x) is shown below. Which one of the following statements is TRUE?

• h(0)= -3
• h(2) = -1
• h(4) = -2
• h(5) = 0

Tags

CCSS.HSF.IF.A.2

The graph of h(x) is shown below. Which one of the following statements is TRUE?

• h(x)=1 when x= -2
• h(x)=0 when x= 0
• h(x)=5 when x= -2
• h(x) = 0 when x=3

Tags

CCSS.HSF.IF.A.2

If f(x)= 3x - 8 and g(x)= -2x + 5, determine which is larger f(2) or g(-2).

• f(2) is larger
• g(-2) is larger

Tags

CCSS.HSF.IF.A.2

Jack is going to buy a lawn mower and start earning money by cutting lawns. The function P(x) = 25x − 300 represents the amount he will profit by mowing x lawns. What does P(15)=75 represent?

• Jack will earn $75 when he cut 15 lawns
• Jack will earn $15 when he cuts 75 lawns
• Jack has $75 to start his lawn mowing business
• It cost $15 in supplies for Jack to mow enough lawns to earn $75

Tags

CCSS.HSF.IF.A.2

The cost for an upcoming field trip is $30 per student. The cost of the field trip, in dollars, is a function of the number of students. Given the following, select all the possible outputs for the function defined by 𝐶(𝑥) = 30x

• 20
• 30
• 50
• 90
• 100

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

if f(x)=3x+2, find f(5)

• -3
• 1
• 0
• 2

Tags

CCSS.HSF.IF.A.2

The cost of parking for x hours is P(x)=4x+3. Find the cost for 7 hours.

(a)  

Tags

CCSS.HSF.IF.A.2

Samantha joined a gym and pays a monthly membership fee. Her total cost can be represented by the equation g(m) = 30m + 25 where m represents the number of months she has been a member. In the context of this scenario, what does g(6) represent?

• Samantha pays $6 each month
• The sign-up fee Samantha paid when she joined.
• The total cost Samantha will pay after 6 months.
• The number of months Samantha has been a member.

Tags

CCSS.HSF.LE.B.5