The figure shows the area of regions bounded by the graph of f and the x-axis. Evaluate the integral.

A. 9
B. -1
C. 1
D. -9


Answer: B

Mathematics

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Write an equation that models the described quantity. Specify what each variable represents.A gambler has lost $2000 and is losing money at a rate of $600 per hour.

A. l = 600t + 2000, where l represents total lost in dollars and t represents time in hours B. l = 600t - 2000, where l represents total lost in dollars and t represents time in hours C. l = -600t - 2000, where l represents total lost in dollars and t represents time in hours D. l = -600t + 2000, where l represents total lost in dollars and t represents time in hours

Mathematics

Convert as indicated. When necessary, round to the nearest tenth of a degree.90.9° C to degrees Fahrenheit

A. 131.6° F B. 195.6° F C. 82.5° F D. 18.5° F

Mathematics

Solve the system of equations.x- y+ 5z =-35x+ z=0-x + y- 5z =6

A. (5, 3, 0) B. No solution C. (0, 0, 3) D. Infinite number of solutions; dependent equations

Mathematics

The graph of a one-to-one function is given. Draw the graph of the inverse function f-1. For convenience, the graph of  is also give.

A.

B.

C.

D.

Mathematics