Solve the equation.7(x + 3) = (7x + 21)
A. {0}
B. {42}
C. ?
D. {all real numbers}
Answer: D
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If a formula does not match a verbal description at one point, the formula and verbal description may still describe the same function.
Answer the following statement true (T) or false (F)
Suppose that a nonlinear system is composed of equations whose graphs are those described, and the number of points of intersection of the two graphs is as given. Make a sketch satisfying these conditions.A parabola and a hyperbola; one point
What will be an ideal response?
Solve the problem.A grocery store normally sells 8 jars of caviar per week. Use the Poisson Distribution 
to find the probability (to three decimals) of selling 3 jars in a week. 
A. 0.029 B. 0.057 C. 0.086 D. 0.019
Using the horizontal-line test, determine whether the function is one-to-one.-0.5x2 + 3x + 3
A. Yes B. No