Provide an appropriate response.
Write the equation 5(x + 3) = 2(2x + 1) as a function.
A. f(x) = x + 13
B. f(x) = x - 13
C. f(x) = x + 4
D. f(x) = 3x + 13
Answer: A
Mathematics
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Solve the problem.The cross section of a piece of a roller coaster having a width of 300 feet and a depth of 145 feet is depicted below.
What is the equation of this parabola?
A. y = 
x2
B. y = 
x2
C. y = 
x2
D. Not enough information
Mathematics
Subtract and simplify.
- 
A. 
B. 
C. 1
D. 2
Mathematics
For the points P and Q, find the coordinates of the midpoint of the segment PQ.P(13
, 
), Q(-
, 4
)
A. 
B. 
C. 
D. 
Mathematics
Without graphing, determine whether the graph of the quadratic function opens up or opens down.f(x) = -3x2 - 4x + 5
A. opens up B. opens down
Mathematics