Solve the equation for the indicated variable.ax + b = 0 for x
A. -ab
B. -b - a
C. 
D. - 
Answer: D
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For the function f whose graph is given, determine the limit.Find
f(x).
A. 2
B. does not exist
C. 
D. -1
Write a slope-intercept equation for a line with the given characteristics.Passes through (1, 5) and (-6, 8)
A. y = - 
x + 
B. y = - 
x + 
C. y = 
x + 
D. y = 
x + 
Solve the problem.The equation P = IV cos ? gives the power (in watts) absorbed in an ac circuit. Find ? when
and 
Round results to an appropriate number of significant digits.
A. 31° B. 37° C. 34° D. 56°
Provide an appropriate response.The graph of a quadratic function 
is shown in the standard viewing window, without x-axis tick marks. Which one of the following sets could possibly be the solution set for f(x) = 0?
A. {-2, 4} B. {2, 4} C. {-2, -4} D. {-4, 2}