Graph the function, and state its domain and range.f(x) = -
A. Domain: [0, ?); Range: (-?, -1]
B. Domain: [1, ?); Range: (-?, 0]
C. Domain: [0, ?); Range: (-?, 1]
D. Domain: [-1, ?); Range: (-?, 0]
Answer: B
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Compute each expression and compare.82 - 12; (8 - 1)2
A. 14; 49; square of difference is greater than difference of squares B. 14; 14; both are equal C. 63; 14; difference of squares is greater than square of difference D. 63; 49; difference of squares is greater than square of difference
Solve the equation.6.5 = -10t + 9
A. t = 2.25 B. t = 0.25 C. t = 0.25 D. t = 6.25 E. none of these
Solve the problem.An airplane took 5 hr to fly 700 mi against a head wind. The return trip with the same wind took 1 hr. Find the speed of the plane in still air.
A. 280 mph B. 140 mph C. 700 mph D. 420 mph
Let the function f be defined by the equation y = f (x), where x and f (x) are real numbers. Find the domain of the function 
a. domain:
b. domain:
c. domain:
d. domain:
