Find the indefinite integral 
and check your result by differentiation.
?
A. 
B. 
C. 
D. 
E. 
Answer: D
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Find the measure of the angles.
?A = (2x + 1)°, ?B = (4x + 5)°
A. 60° and 120° B. 55° and 125° C. 59° and 121° D. 68° and 112°
Use the power rules to simplify the expression. Use positive exponents to write the answer.
-4
A. 
B. 
C. 
D. 
Solve.Sue wants to put a rectangular garden on her property using 90 meters of fencing. There is a river that runs through her property so she decides to increase the size of the garden by using the river as one side of the rectangle. (Fencing is then needed only on the other three sides.) Let x represent the length of the side of the rectangle along the river. Express the garden's area as a function of x.
A. A(x) = 45x - 
x2
B. A(x) = 45x2 - x
C. A(x) = 46x - 2x2
D. A(x) = 44x - 
x2
Solve.A certain amount of money saved for 1 year at a certain annual interest rate (simple interest) yielded $16.20 in interest. If we had added $81 to the principal and reduced the interest rate by 1 percentage point(s), the interest would have been the same. Find the principal and the rate.
A. $1616.00, 5% B. $324.00, 5% C. $8.17, 19.83% D. $1616.00, 4%