Evaluate the expression without a calculator.
-4
A. 
B. -625
C. 
D. 625
Answer: D
Mathematics
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Describe the conditions under which the statement is true.A ? ? = U
A. A ? ? B. A = U C. Always true D. A = ?
Mathematics
Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = tan
A. y = tan u; u = ? - 
; 
= sec2
B. y = tan u; u = ? - 
; 
= 
sec
tan
C. y = tan u; u = ? - 
; 
= 
sec2
D. y = tan u; u = ? - 
; 
= sec2
Mathematics
Graph the circle.x2 + y2 - 10x - 8y + 16 = 0
A. 
B. 
C. 
D. 
Mathematics
Factor completely. If the polynomial is prime, state so.9 - 4x2
A. prime B. (3 + 2x)2 C. (3 - 2x)2 D. (3 + 2x)(3 - 2x)
Mathematics