State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.f(x) = 20x5 + 6x4 + 7
A. Yes; degree 5
B. Yes; degree 10
C. Yes; degree 9
D. No; the last term has no variable
Answer: A
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Find fx, fy, and fz.f(x, y, z) = cos x sin2 (yz)
A. fx = sin x sin2 (yz); fy = -2z cos x sin (yz) cos (yz); fz = - 2y cos x sin (yz) cos (yz) B. fx = sin x sin2 (yz); fy = - cos x sin (yz) cos (yz); fz = -cos x sin (yz) cos (yz) C. fx = -sin x sin2 (yz); fy = 2z cos x sin (yz) cos (yz); fz = 2y cos x sin (yz) cos (yz) D. fx = -sin x sin2 (yz); fy = z cos x sin (yz) cos (yz); fz = y cos x sin (yz) cos (yz)
Use a power regression model for the following data to estimate 
. Round your answer to two decimal places.
x 2.03 3.38 4 6.49 7.6 y 8.15 4.55 4.62 3.92 4.17?
A. 3.30 B. 0.10 C. -0.63 D. 3.71
Use ratios or conversion factors to convert the measures of time. Round to hundredths.420 seconds to minutes
A. 7 min B. 13 min C. 3 min D. 17 min
Write the ratio in lowest terms.35 to 45
A. 
B. 
C. 
D. 