A small dog will weigh 22 pounds at adulthood. The following table shows the weight W, in pounds, t months after birth. The difference 
between his maximum weight and his current weight is given in the third row of the table.
t 3 5 7 9 11 W 7.48 12.99 16.12 17.15 18.37
14.52 9.01 5.88 4.85 3.63?
A: Use exponential regression to model the difference 
as a function of t. Round your answer to two decimal places.B: Use the model you found in part A to find a formula that gives the approximate weight W at age t months. Round your answer to two decimal places.C: Plot the graph of W versus t along with the data points for weight.D: At what age does the dog weigh 21.16 pounds? Round your answer to two decimal places.
What will be an ideal response?
B:
C:
D: 18.72 months
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Solve the problem.The distance s (in ft) above the ground for a projectile fired vertically upward with a velocity of 325 ft/s as a function of time t (in s) is given by s = 325t - 16t2. Find t for v = 0. Round your answer to the nearest tenth of a second.
A. 72.1 s B. 10.2 s C. 4.5 s D. 20.3 s
Simplify the expression. Assume all variables represent positive real numbers.
? 
A. x5y4
B. x5y5
C. x5y4
D. x5y6
Find an equation for the hyperbola described. Graph the equation.Center at (0, 0); focus at (5, 0); vertex at (3, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Provide an appropriate response.If m < 0, the graph of y = mx + b 
.
A. is somewhat flat B. slopes downward to the right C. does not represent a function D. is a vertical line