Find the product.(15x4 - 25x2 + 30x)
A. 15x4 - 25x2 + 6x + 9
B. 3x5 + 135x4 - 5x3 - 219x2 + 270x
C. 3x5 - 135x4 + 5x3 + 219x2 - 270x
D. 3x4 + 135x3 - 5x2 + 276x
Answer: B
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Use a graphing utility to graph the equation. Use the graph to approximate the values of x that satisfy the following inequality.
?
Equation:
?
Inequality:
?
A. ?
B. ?
C. ?
D. ?
E. ?
Solve the problem.A ladder is resting against a wall. The top of the ladder touches the wall at a height of 12 feet. Find the length of the ladder if the length is 4 feet more than its distance from the wall.
A. 16 ft B. 24 ft C. 12 ft D. 20 ft
Find the slope of the line containing the given points. Simplify if possible.(6, -5) and (-7, 3)
A. 
B. - 
C. 
D. - 
Use identities to write the expression as a single function of x or ?.cos (? + 90°)
A. cos ? B. -cos ? C. -sin ? D. sin ?