Decide whether or not the ordered pair is a solution of the system.(9, -1);
A. No
B. Yes
Answer: B
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Use the given graph to find the x-intercepts and zeros of the function.
A. (2, 0), (4, 0); 2, 4 B. (-2, 0), (4, 0); -2, 4 C. (-2, 0), (-4, 0); -2, -4 D. (-4, 0), (2, 0); -4, 2
Solve the problem.An investment is worth $3654 in 1993. By 1997 it has grown to $5394. Let y be the value of the investment in the year x, where x = 0 represents 1993. Write a linear equation that models the value of the investment (y) in the year x.
A. y = 
x + 3654
B. y = -435x + 7134
C. y = 435x + 3654
D. y = -435x + 3654
Solve.The loudness of a sound can be approximated by the formula d = 10 log 
, where d is the number of decibels. The higher the value of d, the louder the sound. Find the number of decibels when 
and 
A. 14 decibels B. 10,000 decibels C. 40 decibels D. 4 decibels
Solve the problem.At a pizzaria, the cost of a pizza is $18.75 plus $0.80 for each topping. Express the total cost of a pizza, C, as a function of the number of toppings, n.
A. C = 18.75n + 0.90 B. C = 18.75 + 0.90n C. C = 18.75n + 0.80 D. C = 18.75 + 0.80n