Determine whether the given equation is an identity.-4(2x + 4) = -14 - 5x - 5x
A. Yes
B. No
Answer: B
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Simplify using the quotient-to-power rule.
5
A. 
B. 
C. 
D. 
Solve the differential equation.x 
= y + (x2 - 4)2
A. y = 
x4 - 32x ln x+ cx
B. y = 
x3 - 8x - 
+ c
C. y = 
x4 - 8x2 - 16 + cx
D. y = x4 - x2 - 16 + cx
Solve by completing the square. If the equation has no real solutions, write "no real-number solutions."5x2 - 9x + 6 = 0
A. 
B. no real-number solutions
C. 
D. 9 ± 
Use a graphing calculator to find the approximate location of all relative extrema.f(x) = x4 - 3x3 - 21x2 + 74x - 45
A. Relative maximum at x = 1.604; Relative minima at x = -3.089 and x = 3.735 B. Relative maximum at x = 1.685; Relative minima at x = -3.179 and x = 3.744 C. Relative maximum at x = 1.538; Relative minima at x = -3.112 and x = 3.678 D. Relative maximum at x = 1.546; Relative minima at x = -3.051 and x = 3.655