Determine whether or not the function is linear. If it is, determine the slope and interpret it.The value of a particular car is given by V(t) = 22,000 - 3200t, where t is the age of the car in years.
A. Linear; 3200; Each year, the car depreciates $3200.
B. Linear; 22,000; Each year, the car depreciates $22,000.
C. Not linear
D. Linear; 3200; Each year, the car appreciates $3200.
Answer: A
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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = 
A. Domain: all points in the xy-plane satisfying x2 + y2 = 81; range: real numbers 0 ? z ? 9; level curves: circles with centers at (0, 0) and radii r, 0 < r ? 9
B. Domain: all points in the xy-plane; range: real numbers 0 ? z ? 9; level curves: circles with centers at (0, 0) and radii r, 0 < r ? 9
C. Domain: all points in the xy-plane; range: all real numbers; level curves: circles with centers at 
D. Domain: all points in the xy-plane satisfying x2 + y2 ? 81; range: real numbers 0 ? z ? 9; level curves: circles with centers at (0, 0) and radii r, 0 < r ? 9
E = 12 V, R1 = 5.6 Kê, R2 = 4.7 Kê, R3 = 3.3 Kê, R4 = 5.1 Kê, and RL = 1.2 Kê. Find the value of the voltage across RL.
a. 3.18 V
b. 2.29 V
c. 1.79 V
d. 1.02 V
e. 0.37 V
Solve the right triangle. Use the rules for significant digits.
A. B = 43.44°, b ? 31.38, c ? 48.20 B. B = 43.44°, b ? 45.64, c ? 31.38 C. B = 43.44°, b ? 31.38, c ? 45.64 D. B = 43.44°, b ? 35.00, c ? 24.06
For the given whole number, determine the place value of the digit 3.463,981
A. ten-thousands B. hundred-thousands C. hundreds D. thousands