NZ Level 7 (NZC) Level 2 (NCEA)
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Identifying Increasing/Decreasing or Constant sections of Function Domains

Interactive practice questions

Which of the following describes the rate of change of the function $f\left(x\right)=-8$f(x)=8?

Positive for all values of $x$x

A

Negative for all values of $x$x

B

Zero for all values of $x$x

C

Positive for all values of $x$x

A

Negative for all values of $x$x

B

Zero for all values of $x$x

C
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Which of the following describes the rate of change of the function $f\left(x\right)=4x-1$f(x)=4x1?

Which of the following describes the rate of change of the function $f\left(x\right)=-x+10$f(x)=x+10?

Consider the function $f\left(x\right)=-2\left(x+2\right)^2+4$f(x)=2(x+2)2+4 drawn below.

Outcomes

M7-9

Sketch the graphs of functions and their gradient functions and describe the relationship between these graphs

91262

Apply calculus methods in solving problems

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