Add or subtract as indicated. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Answer: D
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Find the perimeter of the figure if 
?
?
A. 36 in.
B. 6 in.
C. 12 in.
D. 24 in.
E. 72 in.
Solve the problem.Consider the graph of f(x) = 
, 0 ? x ? 1. What symmetry does the graph have? Is f its own inverse?
A. The graph of f is symmetric with respect to the y-axis. The function f is its own inverse because (f?f)(x) = x. B. The graph of f is symmetric with respect to the y-axis. The function f is not its own inverse because (f?f)(x) = |x|. C. The graph of f is symmetric with respect to the line y = x. The function f is its own inverse because (f?f)(x) = x. D. The graph of f has no symmetry. The function f is not its own inverse because there is no symmetry.
Find the exact value of the expression. 
- 
A. 3?
B. 
C.
D. 
Graph the quadratic function using its vertex, axis of symmetry, and intercepts.f(x) = x2 + 2x - 8
A. vertex (1, -9)
intercepts (-2, 0), (4, 0), (0, -8)
B. vertex (-1, -9)
intercepts (2, 0), (- 4, 0), (0, -8)
C. vertex (1, 9)
intercepts (-2, 0), (4, 0), (0, 8)
D. vertex (-1, 9)
intercepts (2, 0), (- 4, 0), (0, 8)