The graph of a function f is given. Use the graph to answer the question.What is the y-intercept?
A. 3.5
B. -4
C. -3
D. 5
Answer: C
Mathematics
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Find the area of the figure using determinants.
A. 35.0 B. 33.5 C. 34.5 D. 30.5
Mathematics
Evaluate the determinant.
A. 90 B. 66 C. -90 D. -114
Mathematics
Find the domain and range of the inverse of the given function.f(x) = 2x - 9
A. Domain: [0, ?) ; range: all real numbers B. Domain: all real numbers; range: (-?, -9) ? (-9, ?) C. Domain and range: all real numbers D. Domain: (-?, 9) ? (9, ?); range: all real numbers
Mathematics
Solve the problem.On a summer day, the bottom water of a lake is at a temperature of 
Celsius. What is this temperature in Fahrenheit?
A. 40° B. 14.4° C. 46.4° D. 8°
Mathematics