Write the phrase as a variable expression. Use x to represent "a number."5 times a number
A. 5 + x
B. 5x
C. 
D. 5 - x
Answer: B
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The following question refers to a country with five states. There are 250 seats in the legislature, and the populations of the states are given in the table below.
Under Webster's method, the apportionments to each state are
A. State A: 6; State B: 22; State C: 118; State D: 96; State E: 8. B. State A: 7; State B: 22; State C: 117; State D: 95; State E: 9. C. State A: 6; State B: 22; State C: 117; State D: 96; State E: 9. D. State A: 6; State B: 23; State C: 116; State D: 96; State E: 9. E. none of these
Translate the phrase to an algebraic expression. Use n for the variable unless otherwise stated.four times the sum of some number and ten
A. 4n - 10 B. 4(n + 10) C. 4(n - 10) D. 4n + 10
Subtract.918 - 191
A. 827 B. 711 C. 727 D. 737
Find the inverse of the function.f(x) = 2x - 10
A. f-1(x) = 
x + 5
B. f-1(x) = 
x + 2
C. f-1(x) = 2x + 10
D. f-1(x) = 
x - 5