Simplify the expression using the order of operations.72 ÷ 7 × 3 + 5
A. 105
B. 16
C. 26
D. 14
Answer: C
Mathematics
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Find the axis of symmetry of the function.f(x) = 2x2 + 16x + 31
A. x = -4 B. x = 4 C. x = 1 D. x = -1
Mathematics
Solve the equation.
+ cos-1 4x = 
A. x = 
B. x = 
C. x = 
D. x = - 
Mathematics
Find the domain of the rational expression. 
A. {x|x is a real number and x ? -3 and x ? -2} B. {x|x is a real number and x ? -3 and x ? -2 and x ? 2} C. {x|x is a real number and x ? 3 and x ? 2} D. {x|x is a real number and x ? 3 and x ? -2 and x ? 2}
Mathematics
Use the intermediate value theorem to show that the polynomial has a real zero between the given values of a and b.a = 1 and b = 2f(x) = 5x5 - 2x3 - 10x2 - 3
A. f(1) = -10 and f(2) = 101 B. f(1) = 10 and f(2) = 101 C. f(1) = 10 and f(2) = -101 D. f(1) = -9 and f(2) = 102
Mathematics