Simplify the expression. The result will be one of sin x, cos x, tan x, cot x, sec x, csc x.cos x(tan x + cot x)
A. csc x
B. sin x
C. cot x
D. sec x
Answer: A
Mathematics
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Solve the problem.The area of a circle with radius r is given by the function A(r) = ?r2. Find the area of the base of a circular storage tank if the radius is 5 feet long. Use ? ? 3.14.
A. 78.5 square feet B. 15.7 square feet C. 31.4 square feet D. 75 square feet
Mathematics
Find the indicated function value.Find g(a - 1) when g(x) = 4x - 4.
A. 4a - 4 B. 4a - 8 C. 4a D. 4a - 12
Mathematics
Write an equivalent expression by factoring out the greatest common factor.28m9 + 40m7 + 12m5
A. -4m5(7m4 - 10m2 - 3) B. m5(28m4 + 40m2 + 12) C. 4(7m9 + 10m7 + 3m5) D. 4m5(7m4 + 10m2 + 3)
Mathematics
?Use any method to solve the system of linear equations, find (x,y).
?
?
A. ?(-10, -5) B. (10, -5) C. ?(3, -5) D. ??(-5, 10) E. ???(-5, -10)
Mathematics