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New Zealand
Level 6 - NCEA Level 1

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
Easy
< 1min

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

Easy
3min

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

Easy
2min

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

Easy
3min
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Outcomes

NA6-3

Apply everyday compounding rates

NA6-7

Relate graphs, tables, and equations to linear, quadratic, and simple exponential relationships found in number and spatial patterns

91026

Apply numeric reasoning in solving problems

91028

Investigate relationships between tables, equations and graphs

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