Decide whether or not the ordered pair is a solution to the equation.3x + 3y = 21; (4, 3)
A. Yes
B. No
Answer: A
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Solve.In order for a chemical reaction to take place, the Fahrenheit temperature F of the reagents must be at least 154.61° F. At what Celsius temperatures, C, will the reaction occur? 
Round to the nearest hundredth of a degree, if necessary.
A. At temperatures less than 310.3° Celsius B. At temperatures less than or equal to 68.12° Celsius C. At temperatures greater than or equal to 68.12° Celsius D. At temperatures greater than or equal to 310.3° Celsius
Solve the problem.Under certain conditions the wind speed S, in miles per hour, of a tornado at a distance d from its center can be approximated by the function 
where a is an atmospheric constant, and V is the approximate volume of the tornado, in cubic feet. Interpret 
.
A. 
represents the instantaneous rate of change in speed with respect to volume while distance is held constant.
B. 
represents the instantaneous rate of change in speed with respect to distance while volume is held constant.
C. 
represents the instantaneous rate of change in volume with respect to speed while distance is held constant.
D. 
represents the instantaneous rate of change in speed with respect to volume and distance.
Find an equation that shifts the graph of f by the indicated amounts.f(x) = x2 + 2x - 7; left 7 units, up 16 units
A. y = (x - 7)2 + 2(x + 7) + 10 B. y = (x + 7)2 + 2(x + 7) + 9 C. y = (x - 7)2 + 2(x - 7) + 6 D. y = (x + 7)2 + 2(x - 7) + 9
Graph using a graphing calculator.(x - 6)2 + (y + 1)2 = 16
A. 
B. 
C. 
D. 