Question

W(x)=9x+8,evaluate w(5)

Answer 1

Use the substitution method

w(x)=9x+8

w(5)=9(5)+8

Do the parenthesis first then add because of using PEMDAS

P= Parentheses

E= Exponents

M= Multiplication

D= Division

A= Addition

S= Subtraction

45+8

=53

Answer: w(5)=53

Answer 2

53

Explanation:

According to the Order of Operations [GEMS\BOMDAS\PEMDAS etc.], in this case, Subtraction & Addition are evaluated AFTER Division & Multiplication:

9[5] + 8 = 53

45

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