Understanding exponential and logarithmic functions

Does the following equation show growth or decay?
y=100*(0.85)^x

• Growth 
• Decay

What is the initial value of y= ab^x

• x

• b

• a

• y

• Logarthmic

• Reciprocal

• Exponential

• Tangent

The school shrunk the population of students not passing by a fourth after every 6 weeks. They started with fifty-two students not passing. Is this exponential Growth or Decay?

• Both

• Neither

• Growth

• Decay

Write the following as an exponent:

(-2) x (-2) x (-2) x (-2)

• 2^-4

• -(2)⁴

• 2⁴

• (-2)⁴

What is b, the common ratio, for the function: f(x) = 300(1.16)^x?

• 300
• 1.16
• .16
• x

What relationship is demonstrated by this table of values?

• Linear
• Exponential
• Neither

Rewrite 4 x 4 x 4 x 4 x 4 x 4 in exponential form.

• 6⁴

• 4²

• 4⁶

• 4 x 6

What type of function is y = 500(1)^x?

• Exponential Growth

• Exponential Decay

• None of the above

Which function family is represented by this equation?

• Linear

• Exponential

• Quadratic

• Absolute Value