The measures of two angles of a triangle are shown. Find the measure of the third angle.
A. m?C = 50°
B. m?C = 65°
C. m?C = 115°
D. m?C = 25°
Answer: B
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Find an equation for the line tangent to the curve at the point defined by the given value of t.x = 4 sin t, y = 4 cos t, t = 
A. y = - x + 4
B. y = 4x + 4
C. y = x - 4
D. y = 4
x + 1
Find the most general antiderivative.
dt
A. 3t3 + 
+ C
B. 3t3 + t + C
C. 18t + 
+ C
D. 27t3 + 
t2 + C
Solve the problem.An investment is worth $3836 in year 0. By year 5 it has grown to $6376. Let I be the value of the investment in year x. The linear equation I = 508x + 3836 models the value, I, of the investment on year x. Interpret the slope.
A. The value of the investment increased by $508 between year 0 and year 5. B. The value of the investment is increasing at a rate of $508 per year. C. The value of the investment is increasing at a rate of $3836 per year. D. The value of the investment is decreasing at a rate of $508 each year.
Tell whether or not the relation is a function.{(1, 1), (1, 8), (4, 4), (8, -3), (11, -5)}
A. Yes B. No