Evaluate.xy1
A. y
B. xy
C. 1
D. x
Answer: B
Mathematics
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Solve the problem.Find the equation for which 
= -5? sin ?x e cos ?x is the curve through the point 
.
A. y = 5? ecos ?x + 12.6? B. y = 5 esin ?x - 5e + 17.6 C. y = 5 ecos ?x + 12.6 D. y = -5? esin ?x + 5?e - 17.6?
Mathematics
Evaluate the second derivative of the function for the given value of x.f(x) = 
, x = 3
A. 
B. - 
C. 1.5
D. -1.5
Mathematics
Simplify.(-2x3)4
A. 16x12 B. -16x7 C. -16x12 D. 16x7
Mathematics
Solve.The base of a triangle is 4 more than twice its height. If the area of the triangle is 78 square centimeters, find its base and height. 
A. height: -1 + 
cm
base: 2 + 
cm
B. height: 2 + 
cm
base: -1 + 
cm
C. height: -1 + 
cm
base: 2 + 2
cm
D. height: 2 + 2
cm
base: -1 + 
cm
Mathematics