Perform the indicated operations.-7(5 - 6)
A. 7
B. -41
C. -7
D. -77
Answer: A
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State the instructions of the function in words.f(y) = 4(9y - 3)2
A. Multiply the independent variable by 9. Then subtract 3 from the resulting product. Square this result and multiply the square by 4. B. Multiply the independent variable by 9. Then subtract 32 form the resulting product. Multiply the result by 4. C. Multiply the independent variable by 9 and then by 4. Subtract 32 from the result. D. Multiply the independent variable by 9. Then subtract 3 from the resulting product. Multiply this result by 4. Square the resulting product.
Multiply.9(x + 5)
A. x + 45 B. 9x + 45 C. 45x D. 9x + 5
Solve the problem.Two forces, F1 and F2, of magnitude 60 and 70 pounds, respectively, act on an object. The direction of F1 is 
and the direction of F2 is 
. Find the magnitude and the direction angle of the resultant force. Round the magnitude to the nearest hundredth of a pound and the direction angle to the nearest tenth of a degree.
A. 
= 94.63; ? = 87.2°
B. 
= 92.20; ? = 80°
C. 
= 99.37; ? = 93.7°
D. 
= 92.20; ? = 89.4°
Solve the problem.A car traveled 246 miles on a trip. During 48 miles of the trip, the car traveled through the city and had gas mileage that was 9 fewer miles per gallon than the gas mileage on the highway. If the total amount of gasoline used for the trip was 8 gallons, find the gas mileage of the car on the highway.
A. 33 miles per gallon B. 42 miles per gallon C. 15 miles per gallon D. 24 miles per gallon