Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 9 - x2
C. 
D. 
Answer: D
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Determine the symmetries of the curve.r2 = -2 sin 2?
A. Origin only B. y-axis, origin C. No symmetry D. x-axis, y-axis, origin
The table below shows the number N of persons injured per 100 accident-involved vehicles when the accident speed was s miles per hour. s 20 30 40 50 60 N 28 34 38 46 71? A: Use exponential regression to model N as a function of s. Round your answer to two decimal places.B: Plot the exponential model along with the data points.C: Do the data show that accidents at speeds of 60 miles per hour are more dangerous or less dangerous than predicted by the model?
What will be an ideal response?
Determine whether the relation is a function.{(-3, -8), (3, 6), (5, -5), (7, -6), (10, 6)}
A. Not a function B. Function
Solve the problem.A flat rectangular piece of aluminum has a perimeter of 64 inches. The length is 10 inches longer than the width. Find the width.
A. 11 in. B. 21 in. C. 32 in. D. 31 in.