NZ Level 7 (NZC) Level 2 (NCEA)
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Intro to Exponential Functions (y=a^x, a^-x)

Interactive practice questions

Which of the following are exponential functions?

Select all the correct options.

$y=x^5$y=x5

A

$y=2x+5$y=2x+5

B

$y=2^x$y=2x

C

$y=x^e$y=xe

D

$y=\left(\frac{3}{4}\right)^x$y=(34)x

E

$y=e^x$y=ex

F

$y=x^5$y=x5

A

$y=2x+5$y=2x+5

B

$y=2^x$y=2x

C

$y=x^e$y=xe

D

$y=\left(\frac{3}{4}\right)^x$y=(34)x

E

$y=e^x$y=ex

F
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Consider the equation $y=3^x$y=3x.

Consider the function $y=3^x$y=3x.

Consider the function $y=3^{-x}$y=3x.

Outcomes

M7-2

Display the graphs of linear and non-linear functions and connect the structure of the functions with their graphs

91257

Apply graphical methods in solving problems

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