The function f is one-to-one. Find its inverse.f(x) = 7x + 3
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
+ 3
D. f-1(x) = 
- 3
Answer: A
Mathematics
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Express the integrand as a sum of partial fractions and evaluate the integral.
A. ln
+ C
B. 3ln
+ 4ln
+ C
C. 4ln
- 4ln
+ C
D. 3ln
+ 4ln
+ C
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Find the linear approximation of the function at the given point.
at 
A. 
B. 
C. 
D. 
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Solve for the unknown whole number in the expression.x ÷ 4 = 5 R 2
A. 30 B. 20 C. 22 D. 18
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Write the phrase as a mathematical expression. Use x as the variable.135 added to a number
A. 135x B. 135 + x C. 135 D. 135 - x
Mathematics