21
practice examMultiple Choice

Practice Exam

Question 21 • Financial Math

Given the linear functions p times x is equal to 5 x plus 7 and q times x is equal to 4 x minus 3 , what is p times x minus q times x ?

Answer
A
x plus 10
B
2 x minus 10
C
x minus 10
D
x plus 4

Explanation

Subtract q(x) from p(x): (5x + 7) − (4x − 3) = 5x + 7 − 4x + 3 = x + 10. The result is x plus 10, choice A.

AI-written and checked against the verified answer.

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