The graph of the linear equation y1 is shown on a graphing calculator screen, along with the x-value of the x-intercept of the line. Use the screen to solve the following equation or inequality.y1 < 0
A. (3, ?)
B. (1, ?)
C. (-?, 1)
D. Cannot be determined
Answer: B
Mathematics
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Solve the problem.A long strip of sheet metal 12 inches wide is to be made into a small trough by turning up two sides at right angles to the base. If the trough is to have maximum capacity, how many inches should be turned up on each side?
A. 6 in. B. 3 in. C. 5 in. D. 4 in.
Mathematics
Graph the inequality.5x + y ? -3
A. 
B. 
C. 
D. 
Mathematics
Divide. Write the answer as a mixed number as needed.
÷ 
A. 1
B. 
C. 
D. 2
Mathematics
When John was 20 years old, he opened an individual retirement account by investing $1,300 at 8% interest, compounded quarterly. How much will his investment be worth when he is 42 years old? ?
A. $7,423.06 B. $7,426.46 C. $8,020.15 D. $7,428.06 E. $7,426.06
Mathematics