Plot the point whose polar coordinates are given.
A. 
B. 
C. 
D. 
Answer: D
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Solve.A rectangular oil painting measures 80 centimeters × 147 centimeters. The painting is framed in material that costs $4 per meter. What will it cost to frame the painting?
A. $18.16 B. $4.70 C. $4.54 D. $9.08
Find the gradient field of the function.f(x, y, z) = (x5y2 - y10z3)e-z2
A. ?f = 5x4y2e-z2i + (2x5y - 10y9z3)e-z2j + y2ze- z2[y8z(2z2 - 3) - 2x5]k B. ?f = 5x4i + (10y9 - 2y)j + 2z4e-z2k C. ?f = 5x4y2i + (10y9z3 - 2x5y)j + (2z2 - 3)y10z2k D. ?f = 5x4y2e-z2i + (2x5y - 10y9z3)e-z2j + (3 - 2z2)y10z2e-z2k
Find the slope of a line tangent to the curve of the given equation at the given point.y = x2 - x; (-4, 20)
A. -9 B. 16 C. 20 D. 12
Provide an appropriate response.Which of the following statements defines 
f(x) = -??I. For every negative real number B there exists a corresponding ? > 0 such that f(x) < B whenever x0 - ? < x < x0 + ?.II. For every negative real number B there exists a corresponding ? > 0 such that f(x) < B whenever x0 < x < x0 + ?.III. For every negative real number B there exists a corresponding ? > 0 such that f(x) < B whenever x0 - ? < x < x0.
A. III B. II C. I D. None