Simplify the difference quotient for the linear function f(x), and use it to identify the rate of change of the function.f(x) = -18x - 37
A. 18
B. -18
C. 37
D. -37
Answer: B
Mathematics
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Sketch the graph of the equation. Identify the vertex and the intercepts.y = 2x2 - 5x - 7
A. Opens: Down;
Vertex: 
;
x-intercepts: (-1, 0) and 
;
y-intercept: (0, 7)
B. Opens: Up;
Vertex: 
;
x-intercepts: (-1, 0) and 
;
y-intercept: (0, -7)
C. Opens: Up;
Vertex: 
;
x-intercepts: (-1, 0) and (7, 0);
y-intercept: (0, -7)
D. Opens: Up;
Vertex: 
;
x-intercepts: (1, 0) and 
;
y-intercept: (0, -7)
Mathematics
Solve the problem.Form a frequency distribution table for the data below. Do not group the data.
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression.cos 
cos 
+ sin 
sin 
A. 1
B. 
C. 
D. 
Mathematics
Rewrite the rational expression with the indicated denominator.
= 
A. 
B. 
C. 
D. 
Mathematics