Find the value of df-1/dx at x = f(a).f(x) = x2 - 4x + 1; a = 5
A. 
B. 6
C. 
D. 
Answer: D
Mathematics
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Use a calculator to solve the equation. Round to the nearest hundredth, if necessary.(m + 3.03)2 = 11.56
A. {2.92, -2.92} B. {0.37} C. {1.66, -5.14} D. {0.37, -6.43}
Mathematics
Determine the equation of the line described. Put the answer in the slope-intercept form, if possible.Through (9, -8), perpendicular to x = -1
A. y = 8 B. y = -1 C. x = -1 D. y = -8
Mathematics
Solve the problem.The price of a jacket was reduced from 
to 
What was the percent discount?
A. 4.5% B. 45% C. 46% D. 47%
Mathematics
Without graphing the function, determine its amplitude or period as requested.y = -3 sin xFind the amplitude.
A. 2?
B. 3
C. -3?
D. 
Mathematics