Graph the function. Identify the vertex, x-intercepts, and the equation for the axis of symmetry.f(x) = x2 - 1
A. 
vertex: (0, -1)
x-intercepts: none
axis of symmetry: x = 0
B. 
vertex: (-1, 0)
x-intercept: (-1, 0)
axis of symmetry: x = -1
C. 
vertex: (0, -1)
x-intercepts: (-1, 0) and (1, 0)
axis of symmetry: x = 0
D. 
vertex: (0, 1)
x-intercepts: none
axis of symmetry: x = 0
Answer: C
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List the indicated feature of the figure.The edges of
A. 
, 
, 
, 
, 
, 
, 
, 
, 
, 
, 
, 
B. Cannot be identified
C. A, B, C, D, E, F, G, H
D. ?ABCD, ?ABGF, ?AFED, ?BCGH, ?CHED, ?EFGH
Factor the polynomial by substitution.8z6 + 6z3 - 9
A. (2z3 + 3)(4z3 - 3) B. (2z3 + 1)(4z3 - 9) C. (4z3 + 3)(2z3 - 3) D. 8(z3 - 3)(z3 + 3)
Translate the sentence to an equation. Do not solve.The quotient of 9 and y is 2.5.
A. 9 = 
B. 9 - y = 2.5
C. 
= 2.5
D. 
= 2.5
Solve the problem.Given that P(A) = 0.33 and P(B) = 0.30, find P(A ? B) if A and B are mutually exclusive.
A. 0.099 B. 0.63 C. 0.531 D. 0