Write the quadratic function in standard form.f(x) = -2(x - 1)2 + 5
A. f(x) = -2x2 + 2x + 3
B. f(x) = -2x2 + 4x + 3
C. f(x) = -2x2 + 4x + 7
D. f(x) = -2x2 + 4x + 5
Answer: B
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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?
Solve the problem.The revenue achieved by selling x graphing calculators is figured to be 
The cost of each calculator is 
How many graphing calculators must be sold to make a profit (revenue - cost) of at least $163.80?
A. {x?23 < x < 37} B. {x?6 < x < 24} C. {x?21 < x < 39} D. {x?22 < x < 20}
Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.2
÷ 
A. 
B. - 1
C. - 
D. 1
Find all square roots of the given number.36
A. 6
B. ±6
C. 6
D. -6