Solve.Mike filled his car's gas tank and noted that the odometer read 23,428.4. After the next filling, the odometer read 24,189.5. It took 21.5 gal to fill the tank. How many miles per gallon (mpg) did the car get? Round your answer to the nearest tenth.
A. 34.7 mpg
B. 35.7 mpg
C. 36.4 mpg
D. 35.4 mpg
Answer: D
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Find the quadratic approximation of f at x = 0.f(x) = ln(1 + sin 8x)
A. Q(x) = 8x + 32x2 B. Q(x) = 8x - 32x2 C. Q(x) = 1 + 8x + 32x2 D. Q(x) = 1 - 8x + 32x2
Solve the problem.A satellite is to be put into an elliptical orbit around a moon. The moon is a sphere with radius of 523 km. Determine an equation for the ellipse if the distance of the satellite from the surface of the moon varies from 762 km to 889 km.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Find the equation of a circle satisfying the given conditions.Center: (-5, 0); radius: 11
A. x2 + (y + 5)2 = 11 B. (x - 5)2 + y2 = 121 C. (x + 5)2 + y2 = 121 D. x2 + (y - 5)2 = 11
Factor.u2 - 5uv - 50v2
A. (u - 5v)(u + v) B. (u - v)(u + 10v) C. (u + 5v)(u - 10v) D. (u - 5v)(u + 10v)