Solve the equation. Use words or set notation to identify equations that have no solution, or equations that are true for all real numbers. 4(x + 5) = 4x + 20
A. {40}
B. {x|x is a real number}
C. ?
D. {0}
Answer: B
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Solve the problem.A force is given by the vector F = 4i + 3j. The force moves an object along a straight line from the point (5, 10) to the point (18, 19). Find the work done if the distance is measured in feet and the force is measured in pounds.
A. 25 ft-lb B. 79 ft-lb C. -79 ft-lb D. 75 ft-lb
Given matrices A and B, find the indicated matrix if possible.A = , B =
Find AB.
A. AB is not defined.
B.
C.
D.
Evaluate the radical function at the indicated value.f(x) = -f(3)
A. -2 B. -4 C. 2 D. 6
Solve the problem.From April through December 2000, the stock price of QRS Company had a roller coaster ride. The chart below indicates the price of the stock at the beginning of each month during that period. Find the monthly average rate of change in price between June and September.
A. -$7.33 per month B. $7.33 per month C. -$11.00 per month D. $11.00 per month