For the given functions f and g, find the requested function and state its domain.f(x) = 8x - 9; g(x) = 2x - 3Find f - g.
A. (f - g)(x) = 6x - 6; (-?, ?)
B. (f - g)(x) = 6x - 12; 
or 
C. (f - g)(x) = -6x + 6; (-?, ?)
D. (f - g)(x) = 10x - 12; 
or 
Answer: A
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Use the definition to find an expression for the instantaneous velocity of an object moving with rectilinear motion according to the given function relating s (in ft) and t (in s).s = 6t - 
A. 6t + 
B. 6 - 
C. 6 - 
D. 6 + 
Simplify using order of operations.81 - 18 ÷ 9
A. 79 B. 7 C. -7 D. -79
Find the vertex, the y-intercept, and the x-intercepts (if any exist), and graph the function.y = -x2 + 2x + 8
A. vertex (1, - 9);
x-int: (-2, 0) and (4, 0);
y-int: (0, 8)
B. vertex (1, 9);
x-int: (-2,0) and (4, 0);
y-int: (0, 8)
C. vertex (1, 9);
x-int: (-4, 0) and (2, 0);
y-int: (0, 8)
D. vertex (- 1, 9);
x-int: (-4, 0) and (2, 0);
y-int: (0, 8)
Graph the function from 
and 
.
?
y = 6cos2 
0 - 3
?
A. ?
B. ?
C. ?
D. ?
E. ?
