Question

Given that the range of the function Y=M(X) is -4 ≤ y ≤ 25 determine the...

Given that the range of the function Y=M(X) is -4 ≤ y ≤ 25 determine the range of y= √ m(x)

Select one:

a.0≤ y≤ 5

b.-2≤ y≤ 5

c.0 < y≤ 5

d.-2 < y≤5

The answer is a please explain why the answer is not b,c and d.

Thanks in advance

Math   Precalculus   
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Homework Answers

Answer #1

m(x) can have value 0, as the square root of 0 is 0, but m(x) can't be -ve as square root of -ve no. is not defined.

so, the answer is a not b,c,d.

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