Graph the function using the slope and y-intercept.f(x) = -2x + 3
A. 
B. 
C. 
D. 
Answer: B
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Find the inverse of the function.f(x) = 7x3 - 4
A. Not a one-to-one function
B. f-1(x) = 
+ 4
C. f-1(x) = 
D. f-1(x) = 
Solve. Round to the nearest hundredth, if necessary.According to Ohm's law, the electric current I, in amperes, in a circuit varies directly as the voltage V. When 17 volts are applied, the current is 4 amperes. What is the current when 21 volts are applied?
A. 4.94 amperes B. 42 amperes C. 4.25 amperes D. 89.25 amperes
Rearrange the following equation to solve for c.
1 xc = ÄÄÄÄ 2ãfc a. 2ã ÄÄÄ xcc b. xcc ÄÄÄ 2ã c. 1 ÄÄÄÄÄ 2ãxcf
Write interval notation for the given set or graph.{x ? x ? 3}
A. (3, ?) B. [3, ?) C. (-?, 3] D. (-?, 3)