Use rational equations to solve the problems.The total price (including sales tax) of a VCR is $599.82. The sales tax rate is 8%. What is the purchase price of the VCR (the price before taxes are added)? Round your answer to the nearest cent.
A. $333.23
B. $555.39
C. $550.29
D. $560.58
Answer: B
Mathematics
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Let f(x) = 8x2 - 5x and g(x) = 7x + 9.Find the composite.f[g(3)]
A. 618 B. 408 C. 7050 D. 1212
Mathematics
Evaluate the indefinite integral.
A. 8x+ 16 + C
B. 4x3 + 16x2 + 4x + C
C. 
x3 + 4x + C
D. 
x3 + 8x2 + 16x + C
Mathematics
Solve the problem.Suppose the supply function of a certain item is given by 
and the demand function is given by D(q) = 14 - q2. Find the producers' surplus.
A. 16
B. 8
C. 
D. 
Mathematics
Use the trigonometric substitution to rewrite the algebraic expression as a trigonometric function of ?, where 
. Then find sin ? and cos ?. 
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics