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c)

Step-by-step explanation:

When given that function (f) is the following,

The wisest move to first make is to factor the expression, factoring is the process by which one rewrites a quadratic expression as the product of two linear expressions,

If is given that function (g) is the following,

Then one should also factor the expression,

One is asked to find the following,

To do this operation, one must multiply the two functions together. It is easiest to do so when the functions are in factored form,

Substitute,

Simplify, cross out like terms in the numerator and denominator,

the anwser is d) 75°

step-by-step explanation:

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