State how many complex and real zeros the function has.f(x) = x2 + 8x - 7
A. 4 complex zeros; 2 real
B. 2 complex zeros; 1 real
C. 2 complex zeros; none real
D. 2 complex zeros; both real
Answer: D
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Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at x = -6 and x = 6. The cross sections perpendicular to the x-axis between these planes are squares whose diagonals run from the semicircle y = - 
to the semicircle y = 
.
A. 
B. 
C. 1152
D. 576
Solve the equation. Express radicals in simplest form.0.5x2 + 0.7x -0.9 = 0
A. -0.81, 2.22 B. 0.81, -2.21 C. 0.82, 2.21 D. -0.81, 2.21
Provide an appropriate response.Solve the inequality: 
? -5
A. all real numbers B. no solution C. -8 ? x ? 2 D. -8 ? x or x ? 2
Find the derivative.y = 
A. -sin (x5) B. 1 - cos (x5) C. 10x9 cos (x5) D. -10x9 cos (x5)