Write the equation of the ellipse that has its center at the origin, focus at 
and vertex at 
.
?
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Solve the problem.For x > 0, sketch a curve y = f(x) that has f(1) = 0 and f '(x) = - 
. Can anything be said about the concavity of such a curve? Give reasons for your answer.
What will be an ideal response?
Mathematics
Factor out the GCF from the polynomial.45x + 15
A. 15(3x + 1) B. 5(9x + 3) C. 15(3x) D. 3(15x + 5)
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 6x3
A. 
B. 
C. 
D. 
Mathematics
Find the quotient.27 ÷ 0
A. 
B. 0
C. 27
D. undefined
Mathematics