What is the range of-6cos(5x) ?

The range of-6cos(5x) is -6<= f(x)<= 6

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range of-6cos(5x)

range

- 6 cos (5 x)

- 6 \leq f (x) \leq 6

Solution steps

The range of the basic

cos

function is

- 1 \leq cos (5 x) \leq 1

- 1 \leq cos (5 x) \leq 1

Multiply the edges of the range by:

- 6

- 6 \leq - 6 cos (5 x) \leq 6

Therefore the range is

- 6 \leq f (x) \leq 6

6 x^{2} + 8 x - 1

f (x) = \frac{10 x - 1}{3 - 5 x}

f (x) = y^{2} - 2

f (x) = 4 x (x + 3) (x - 4)

x e^{- x^{2}}