Solve by the substitution method.x + y = 7x + y = -1
A. (0, 0)
B. (0, 6)
C. (7, -1)
D. No solution
Answer: D
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The given Treasury bill was sold in April of this year. Find (i) the price of the T-bill, and (ii) the actual interest rate paid by the Treasury. Round dollar amounts to the nearest cent and interest rates to the nearest thousandth.Three-month $5000 T-bill with discount rate 0.120%
A. (i) $5001.50; (ii) About 0.12% B. (i) $4998.20; (ii) About 0.144% C. (i) $4998.50; (ii) About 0.12% D. (i) $4999.85; (ii) About 0.012%
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = (-x)2
A. 
B. 
C. 
D. 
Find the slope and the y-intercept of the given line.-4x + y = 13
A. 4; (0, -13) B. 4; (0, 13) C. -4; (0, -13) D. -4; (0, 13)
Use the graph of y = f(x) to state the value of the requested quantity if it exists.
f(x)
A. -1 B. does not exist C. 1 D. 4