Perform the indicated operation.
A. -10
B. 10
C. 4
D. -5
E. -4
Answer: E
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Use a calculator to solve the equation on the interval [0, 2?). Round the answer to two decimal places.cos x = -0.70
A. 0.80, 3.94 B. 2.35, 3.94 C. 2.35, 5.49 D. 0.80, 2.34
Find a polar equation of the conic with the given characteristics and with one focus at the pole.
Conic
Hyperbola
Vertices
a. 
b. 
c. 
d. 
e. 
Solve the system of equations by graphing. If the system is inconsistent or the equations are dependent, say so.2x + y = 11 x + 6y = 11
A. {(5, 4)} B. {(5, 1)} C. {(6, -1)} D. {(-5, 1)}
Find all complex zeros of the polynomial function, and write the polynomial in completely factored form.f(x) = x3 - x2 + 16x - 16
A. f(x) = (x - 1)(x + 1)(x + 16) B. f(x) = (x - 25)(x + i)(x - i) C. f(x) = (x - 1)(x + 4i)(x - 4i) D. f(x) = (x - 1)(x + 4)(x - 4)