Graph the ellipse and locate the foci.
+ 
= 1
A. foci at (5, 0) and (-5, 0)
B. foci at (
, 0) and (-
, 0)
C. foci at (0, 
) and (0, -
)
D. foci at (4, 0) and (-4, 0)
Answer: C
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Find the length of the indicated portion of the curve.r(t) = (5 + 2t)i + (7 + 3t)j + (4 - 6t)k, -1 ? t ? 0
A. 7 B. 5 C. 8 D. 9
Solve the application and answer with a complete sentence.On Monday morning at opening time, a store had 
of brown rice in stock. If they sold 
of rice on Monday, how many pounds of brown rice did they have when they closed on Monday evening?
A. They had 10
pounds of brown rice.
B. They had 9
pounds of brown rice.
C. They had 10
pounds of brown rice.
D. They had 9
pounds of brown rice.
For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = 8 + x, g(x) = 5|x|Find (g/f)(x).
A. 
B. 
+ x
C. 
D. 5|x| - 8 + x
Solve the problem.A rectangular plot has area 126 yd2 with a perimeter of 46 yd. What is the length of the longest side?
A. 13 yd B. 12 yd C. 14 yd D. 16 yd