Find the slope of the tangent line to the graph at the given point.f(x) = x2 + 5x at (4, 20)
A. 21
B. 9
C. 13
D. 3
Answer: C
Mathematics
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Find the area of the figure.
(Leave ? in the answer.)
A. 64?t16 B. 64?t8 C. 16?t8 D. 64?t4
Mathematics
Solve by making a u-substitution.x2/3 - 2x1/3 - 15 = 0
A. {27, -125} B. {27, 125} C. {-27, -125} D. {-27, 125}
Mathematics
Solve the problem.A weather forecaster predicts that the temperature will drop 3 degrees each hour for the next 6 hours. If the temperature is 3 degrees before the temperature starts falling, what is the temperature after the drop?
A. -15° B. -18° C. 18° D. -6°
Mathematics
Find the length of the unknown side of the right triangle with legs a and b and hypotenuse c. Round to three decimal places, if necessary.a = 6, c = 10
A. b = 9 B. b = 7 C. b = 8 D. b = 10
Mathematics