Find an equation of an ellipse satisfying the given conditions.Vertices:(±13, 0); Length of minor axis: 20
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
Mathematics
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The graph of a function is given. Choose the answer that represents the graph of its derivative.
A. 
B. 
C. 
D. 
Mathematics
For the function f, construct and simplify the difference quotient 
.f(x) = 2|x| + 9x
A. -10h
B. 
C. -8h
D. 
Mathematics
Solve the equation.(x - 4)(x + 5) = -8
A. 4, -5 B. -5, -4 C. -4, 3 D. -13, 4
Mathematics
Graph the function using a graphing utility and the Change-of-Base Formula.y = log5(x + 2)
A. 
B. 
C. 
D. 
Mathematics