Decide whether the graph opens up or opens down.f(x) = -x2 - 6x + 3
A. opens up
B. opens down
Answer: B
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Use differentials to estimate the amount of metal in a closed cylindrical can that is 12 cm high and 8 cm in diameter if the metal in the top and bottom is 0.09 cm thick and the metal in the sides is 0.01 cm thick. (rounded to the nearest hundredth.)
a. 8.34 cm³ b. 6.99 cm³ c. 6.91 cm³ d. 6.7 cm³ e. 12.06 cm³
Find the curvature of the space curve.r(t) = (t + 8)i + 6j + (ln(sec t) + 3)k
A. ? = csc t B. ? = sin t C. ? = sec t D. ? = cos t
Given that the polynomial function has the given zero, find the other zeros.f(x) = x4 - 4x3 + 2x2 - 4x + 1; i
A. -i, 2 + 
, 2 - 
B. -i, 2 + 2
, 2 - 2
C. -i, -2 + 
, -2 - 
D. -i, 1 + 
, 1 - 
Find the inverse of the one-to-one function. y = 5x + 2
a. 
b. 
c. 
d. 
e. none of the above