Graph the pair of parametric equations with the aid of a graphing calculator.x = cos t + 4 cos 3t, y = 5 cos t - 4 sin 3t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Answer: C
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The following table shows net income I of an art dealer when he pays for supplies and sells n items. Find a linear model for net income as a function of number of items sold. Round your answer to two decimal places, if necessary. x 3 4 5 6 y 6 33 60 87?
A. 
B. ?
C. ?
D. ?
Use the intermediate value theorem to show that the polynomial has a real zero between the given values of a and b.a = -1 and b = 0f(x) = 3x3 - 10x2 + 10x + 4
A. f(-1) = -19 and f(0) = 4 B. f(-1) = 19 and f(0) = -4 C. f(-1) = -18 and f(0) = 5 D. f(-1) = 19 and f(0) = 4
Find the value of x or y so that the line through the pair of points has the given slope.(-1, 2) and (4, y); m = -2
A. -8 B. 11 C. -9 D. 9
Find the slope and the y-intercept of the given line.y = 3x - 5
A. -5, (0, 3) B. 5, (0, 3) C. 3, (0, -5) D. 3, (0, 5)