Graph the function.
A. 
B. 
C. 
D. 
Answer: B
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Use the formula f'(x) = 
to find the derivative of the function.f(x) = 2x2 + 3x + 5
A. 4x B. 2x + 3 C. 4x2 + 3x D. 4x + 3
Determine the degree of each term of the polynomial.8x4 + 6w3 - 6w - 5y5 - 4
A. 8x4: degree 32; 6w3: degree 18; -6w: degree 1; -5y5: degree -25; 
B. 8x4: degree 4; 6w3: degree 3; -6w: degree 1; -5y5: degree 5; 
C. 8x4: degree 4; 6w3: degree 3; -6w: degree 1; -5y5: degree 5; 
D. 8x4: degree 8; 6w3: degree 6; -6w: degree -6; -5y5: degree -5; 
Solve the problem.Since cos 
= - 
and 
is in the interval [0, ?], cos-1 - 
=
A. - 
B. 
C. 
D. 27
A company installs 5000 light bulbs, each with an average life of 500 hours, standard deviation of 100 hours, and distribution approximated by a normal curve. Find the approximate number of bulbs that can be expected to last the specified period of time.Less than 200 hours
A. 7 B. 2494 C. 10 D. 5