Algebra 1 Exponential Functions Review

What type of function is f(x)=2(1/7)^x ?

• Exponential Growth
• Linear
• Exponential Decay
• None of the Abovee

Tags

CCSS.HSF-LE.A.1A

In an exponential function, what does the 'a' represent? 

• SLOPE
• RATE OF CHANGE
• INITIAL AMOUNT
• GROWTH OR DECAY FACTOR

Tags

CCSS.HSF-IF.C.8B

Write the equation of the graph.

• f(x) = 5^x + 2

• f(x) = 3^x - 2

• f(x) = 3^x + 2

• f(x) = -3^x +2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A line that the graph continually approaches but never touches is a(n) _____________________

• parabola
• asymptote
• rational function
• None of these

Tags

CCSS.HSF-IF.C.7D

What is the asymptote of y = 2^x - 3

• y = 0

• y = -3

• x = 0

• x = -3

Tags

CCSS.HSF-IF.C.7D

• The end behavior of the graph is x →∞, y→⁻∞ and x →⁻∞,y→⁻∞
• The end behavior of the graph is x →∞, y→∞ and x→⁻∞, y→∞
• The end behavior of the graph is x →∞, y→∞ and x→⁻∞, y→2
• The end behavior of the graph is x →∞,y→2 and x→⁻∞, y→∞

Tags

CCSS.HSF-IF.C.7E

What is the domain of f(x) = 5^x?

• -∞ ≤ x ≤ ∞
• -∞ ≤ y ≤ ∞
• x > 0
• y > 0

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

What is the range of f(x) = 5^x?

• -∞ ≤ x ≤ ∞
• -∞ ≤ y ≤ ∞
• x > 0
• y > 0

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

CCSS.HSF.IF.C.7

CCSS.HSF.LE.A.1

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x
• y = 15(1.35)^x
• y = 15(0.35)^x
• y = 35(1.15)^x

Tags

CCSS.HSF.LE.A.2

Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

• y=6(0.14)^x
• y=6(1+14)^x
• y=6(1.14)^x
• y=6(0.86)^x

Tags

CCSS.HSF.LE.A.2