Estimate the product or quotient by first rounding each number so that there is one nonzero digit.-5.319 ? (-5.04)
A. 250
B. -250
C. -25
D. 25
Answer: D
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The following table shows the cubic inches C of air remaining in a leaky balloon t seconds after the leaking started.
t 0 3 6 9 C 828 717 621 402?
A: Explain in practical terms the meaning of 
.
B: Use the average rate of change from 
to 
to estimate at 
. Round your answer to two decimal places. C: Use your answer from part B to estimate the amount of air remaining in the balloon after 5 seconds. Round your answer to two decimal places.
What will be an ideal response?
Solve the problem.Find the least squares line for the points 
, 
A. y = -2 + 3x
B. y = -3 + 4x
C. y = - 
+ 4x
D. y = -5 + 5x
Multiply.- 
A. 1
B. - 
C. - 1
D. 
The vertex of a parabola occurs where the derivative of its equation is 0, so an equation associated with the equation of a parabola can be solved to find the x-coordinate of the vertex. Find the vertex of the parabola, given the equation of the parabola and its associated equation.Equation of parabola: f(x) = 8x2 + 32x - 12; associated equation: 0 = 16x + 32
A. (2, -44) B. (2, 84) C. (-2, 84) D. (-2, -44)