Graph the numbers on the real number line.x ? 3
A. 
B. 
C. 
D. 
Answer: D
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Find the acceleration of an object for which the displacement s (in m) is given as a function of the time t (in s) for the given value of t.s = 
, t = 2 s
A. - 
ft/s2
B. 
ft/s2
C. - 
ft/s2
D. 
ft/s2
Solve problems using a calculator.A painter charges $150 for two rooms and $260 for four rooms. Suppose a two-room job required painting 1152 square feet and a four-room job required painting 2950 square feet. Calculate the difference in cost per square foot between these two jobs. (Round to the nearest tenth of a cent, if necessary.)
A. $0.02 per square foot B. $0.04 per square foot C. $0.01 per square foot D. $0.03 per square foot
Give the domain, range, or period, as requested.Period of y = sec x + 2
A. 2?
B. 
C. 2
D. ?
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 
D. 