Find f(x) at the indicated value of x.f(x) = 7x2 + 3x - 7, x = -2
A. 15
B. -27
C. 5
D. 11
Answer: A
You might also like to view...
Solve the problem.Stevie bought a stereo for $220 and put it on sale at his store at a 65% markup rate. What was the retail price of the stereo?
A. $263.00 B. $440.00 C. $320.00 D. $363.00
Convert the given equation to parametric equations. Answers may vary.x2 + y2 = 49
A. x = 49 cos t, y = 49 sin t B. x = cos t, y = sin t C. x = 7 cos t, y = 7 sin t D. x = 7 sin t, y = cos t
Write the inequality in interval notation.-9 < x ? -2
A. (-9, -2) B. [-9, -2) C. (-9, -2] D. [-9, -2]
Solve by graphing.The value y (in hundreds of dollars) of Juan's computer is approximated by the linear equation 
where x is the number of years since he first bought the computer. Graph the equation and use the graph to estimate the value of the computer 2 years after it was purchased. 
A. $900 B. $760 C. $600 D. $700