Solve by graphing.During the month of January 1997, the depth of snow y (in inches) at the base of one ski resort could be approximated by the linear equation 
where x is the number of days since December 31st. Graph the equation and use the graph to estimate the depth of snow on January 30th. 
A. 12 inches
B. 7 inches
C. 37 inches
D. 15 inches
Answer: B
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Provide an appropriate response.Which of the following statements defines 
f(x) = ??I. For every positive real number B there exists a corresponding ? > 0 such that f(x) > B whenever x0 - ? < x < x0 + ?.II. For every positive real number B there exists a corresponding ? > 0 such that f(x) > B whenever x0 < x < x0 + ?.III. For every positive real number B there exists a corresponding ? > 0 such that f(x) > B whenever x0 - ? < x < x0.
A. II B. I C. III D. None
Solve the system of equations by the addition method. If the system does not have a single ordered pair as a solution, state whether the system is inconsistent or dependent. x + 4y = -4 2x + 5y = -5
A. No solution, inconsistent B. (0, -1) C. (1, 0) D. (1, -2)
Find the exact value of the expression.cos 
sin 
- cos 
sin 
A. 
B. 
C. 
D. 1
Combine. Simplify the answer.16
+ 15
A. 32
B. 31
C. 30
D. 16