In the set of numbers, 85, 84, 59, 80, 82, 89, 74, 91, 65, 70, 74, 89, 82, 75, 74, 73, 69, 65, 83, what is the spread of numbers in one å from the mean?
What will be an ideal response?
Mean +/- 9.018 = 77 +/- 9.018 = 67.98 to 86.018
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Evaluate the function.f(x) = 7x2 + 7x, f(2a)
A. 28a2 + 14a B. 28a2 + 7a C. 14a2 + 14a D. 42a
Provide an appropriate response.The perimeter of a square depends on the length of its side.(a)Write a function p(l) for the perimeter of a square when the length of its side is l.(b)What is the domain of this function out of context?(c)What is the domain of this function in the given context?(d)Find p(x), p(2x) and p(3x).(e)What happens to the perimeter of a square when the side is scaled by a factor s? Describe using an equation.
What will be an ideal response?
Determine whether the statement is true or false.A fraction whose numerator and denominator are two different prime numbers cannot be simplified.
A. True B. False
Solve the inequality.x2 - 3x ? 0
A. -3 ? x ? 0 B. x ? -3 or x ? 0 C. x ? 0 or x ? 3 D. 0 ? x ? 3