Given f(x) and g(x), find f(x) ? g(x).f(x) = x2 + x - 7 and g(x) = x2 - 3
A. f(x) ? g(x) = x4 + x3 - 3x + 21
B. f(x) ? g(x) = x4 + x3 + 10x2 - 3x + 21
C. f(x) ? g(x) = x4 - 3x2 - 3x + 21
D. f(x) ? g(x) = x4 + x3 - 10x2 - 3x + 21
Answer: D
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A. 32?
B. 
C. 28
?
D. 32
?
Find the slope of the line containing the pair of points.(4, 1) and (10, 1)
A. undefined
B. - 
C. 0
D. 
Some hot water, initially at src="https://sciemce.com/media/3/ppg__cognero__5.2_Applications_of_Exponential_Functions__media__b7419433-e23e-4775-a2c5-1a54d650c647.PNG" class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_66c4ed7d53a947288358f0742" />. Find the temperature in 2.3 hours. Round your answer to the nearest hundredths.
C, is placed in a room with a temperature of 
C. The temperature T of the water after t hours is given by
??
A. 
C
B. 
C
C. 
C
D. 
C
E. 
C
Use the graph to identify the x- and y- intercepts or state that there is no x- or y-intercept.
A. x-intercept = -3; y-intercept = 3 B. x-intercept = 1; y-intercept = 3 C. x-intercept = 1; y-intercept = -3 D. x-intercept = -1; y-intercept = -3