Find the coordinates of the vertex and the intercepts of the quadratic function. When necessary, approximate the x-intercepts to the nearest tenth.s(x) = -x2 - 18x - 72
A. V(-18, -72); I(0, -72); (-18, 0); (18, 0)
B. V(9, 9); I(0, -72); no x-intercepts
C. V(18, -72); I(0, 72); (12, 0); (6, 0)
D. V(-9, 9); I(0, -72); (-6, 0); (-12, 0)
Answer: D
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Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.sin22x = 1
A. No solution
B. 
, 
C. 0, 
, ?, 
D. 
, 
, 
, 
Find the limit L for the given function f, the point x0, and the positive number ?. Then find a number ? > 0 such that, for all x, 
f(x) = 
, x0 = -9, ? = 0.01
A. L = 0; ? = 0.01 B. L = -10; ? = 0.01 C. L = 8; ? = 0.02 D. L = -2; ? = 0.02
Use the addition property of equality to solve the equation.-20 = n - 3
A. -17 B. -23 C. 17 D. 23
Solve the equation by dividing each side by the coefficient. Simplify.n ? 45 = 12
A. n = 
B. n = 
C. n = 
D. n = 540