Find a bound on the real zeros of the polynomial function.f(x) = x4 - 7x2 - 18
A. -25 and 25
B. -18 and 18
C. -26 and 26
D. -19 and 19
Answer: D
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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = x2 between x = 0 and x = 1 using a right sum with two rectangles of equal width.
A. .3145 B. .125 C. .75 D. .625
Solve the problem. Round your answer, if appropriate.The volume of a rectangular box with a square base remains constant at 900 cm3 as the area of the base increases at a rate of 2 
2/sec. Find the rate at which the height of the box is decreasing when each side of the base is 12 cm long. (Do not round your answer.)
A. 
cm/sec
B. 
cm/sec
C. 
cm/sec
D. 
cm/sec
Use the Pythagorean Theorem to find the missing length in the right triangle. Use a calculator to find square roots, rounding, if necessary, to the nearest tenth.
A. 596 cm B. 298 cm C. 17 cm D. 24.4 cm
Divide, if possible. Write the answer in simplest form.
÷ 
A. 
B. 
C. 
D. 