Find the vertex and axis of symmetry of the graph of the function.f(x) = x2 + 6x
A. (9, -3); x = 9
B. (-9, 3); x = -9
C. (-3, -9); x = -3
D. (3, -9); x = 3
Answer: C
You might also like to view...
Find all the roots of the function. Use preliminary analysis and graphing to determine good initial approximations. Round to six decimal places.f(x) = x5 - 
+ 1
A. x ? -0.942487 B. x ? -0.832487 C. x ? -1.052487 D. x ? -0.722487
Subtract.-3 - 6
A. -9 B. 3 C. 9 D. -3
Solve the equation symbolically.
= 4
A. -16 B. 16 C. -8 D. 8
Use a graphing calculator to plot the data and find the quadratic function of best fit.An engineer collects data showing the speed s of a given car model and its average miles per gallon M. Use a graphing calculator to plot the scatter diagram. What is the quadratic function of best fit?
A. M(s) = 0.063x2 + 0.720x + 5.142 B. M(s) = -6.309x2 + 0.720x + 5.142 C. M(s) = -0.631x2 + 0.720x + 5.142 D. M(s) = -0.0063x2 + 0.720x + 5.142