Find an equation for the ellipse.Center at (0, 0); focus at (-3, 0); vertex at (6, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
Mathematics
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Find the derivative.y = 
+ 
A. 
= 
+ 
B. 
= 
+ 
C. 
= 
+ 
D. 
= 
+ 
Mathematics
Calculate the derivative of the function. Then find the value of the derivative as specified.f(x) = x2 + 7x - 2; f '(0)
A. f '(x) = 2x; f '(0) = 0 B. f '(x) = 2x + 7; f '(0) = 7 C. f '(x) = 2x - 2; f '(0) = - 2 D. f '(x) = x + 7; f '(0) = 7
Mathematics
Perform the indicated operations. Leave the result in polar form.
A. 
B. 
C. 
D. 
Mathematics
Use the formula A = P(1 + rt) to find the indicated quantity.A = $16,400; r = 10%; 90 days. Find P.
A. $16,810 B. $16,400 C. $16,000 D. $400.00
Mathematics