Use the figure to determine the derivative.The figure shows the graph of f(x) = 2 + ln x along with its tangent line 
at the point (1, 2). What is f'(1)?
A. -2
B. -1
C. 2
D. 1
Answer: D
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Find the measure of the indicated angle.?y
A. m?y = 52° B. m?y = 28° C. m?y = 128° D. m?y = 38°
Solve the problem.Mardi received an inheritance of $70,000. She invested part at 9% and deposited the remainder in tax-free bonds at 7%. Her total annual income from the investments was $5500. Find the amount invested at 9%.
A. $64,500 B. $15,000 C. $29,000 D. $30,000
The object shown in the figure is a cube (all edges are equal in length).
?
?
Suppose the length of the diagonal AH in the figure is 
feet. What is the length of edge AB?
Fill in the blank(s) with the appropriate word(s).
Indicate what must be done to each side of the equation in order to isolate the variable.8 + x = 9
A. Subtract -8 B. Subtract 9 C. Subtract 8 D. Add 8