Use the properties of logarithms and the logarithm property of equality to solve the logarithmic equation.log (4x) = log 5 + log (x - 3)
A. 
B. 
C. {- 15}
D. {15}
Answer: D
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Solve the problem.A rescue cable attached to a helicopter weighs 2 lb/ft. A 170-lb man grabs the end of the rope and is pulled from the ocean into the helicopter. How much work is done in lifting the man if the helicopter is 30 ft above the water?
A. 1070 ft ? lb B. 6000 ft ? lb C. 5160 ft ? lb D. 6900 ft ? lb
Evaluate the polynomial.P(x) = 2x3 + 4x2 + 17, P( 2)
A. 37 B. 49 C. 39 D. 41
Place your graphing calculator in parametric and degree modes. Set the window for Tmin=0, Tmax=360, Tstep=1, Xmin= -1.8, Xmax=1.8, Xscl=1, Ymin= -1.2, Ymax=1.2, Yscl=1. Set the functions to X1T=cos T, Y1T=sin T. Graph the circle of radius 1 on the screen. Use the trace feature to move a short distance around the circle.For what angle T is cos T ? 0.866? (Assume 0° ? T ? 90°.)
A. 0.866° B. 28.65° C. 30° D. 60°
Find the opposite of the integer.23
A. 1 B. 0 C. 23 D. -23