need to find the following function

label Algebra
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Suppose that the functions s and t are defined for all real numbers x as follows: s(x)=x-1 t(x)=3x+5. Write the expressions for (t*s)(x) and (t+s)(x) and evaluate (t-s)(1)

Jun 9th, 2015

Thank you for the opportunity to help you with your question!

s(x) = x-1
t(x) = 3x+5

A) ( s * t )(x) means to multiply the functions:
(x-1)(3x+5)= 3x^2 -5x -8


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Jun 9th, 2015

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