1. Suppose
f (x) =β2x^2 + 8x + 4
Compute the following:
A.) f (β2) + f (5) =
B.) f (β2) β f (5) =
2. Given that f(x) = (xβ5)^2 and g(x) =2β3x, find
(a) (f + g) (4) =
(b) (f - g) (4) =
(c) (fg) (4) =
(d) (f/g) (4) =
3 .Find the domain of the function f (x) = 16x + 6. What is the only value of x not in the domain?
Only Value =
4. Find the equation of the line with slope = -6 and passing through (-10,2). Write your equation in point-slope AND slope-intercept forms.
point-slope form:
slope-intercept form:
5. Find the equation of the line passing through (β7,3) and (β8,β3). Write your equation in point-slope and slope-intercept forms. Use the first point in your point-slope form!
point-slope form:
slope-intercept form:
6. Write an equation for a line parallel to y = 3xβ5 and passing through the point (1,7). Be sure to write your answer in slope-intercept form, y=mx+b.
7. Consider the line with the equation: 5xβ6y=β6.
Give the equation of the line parallel to Line 1 which passes through (β5,7):
Give the equation of the line perpendicular to Line 1 which passes through (β5,7):
8. Give the equation of a line that goes through the point (18,β5) and is perpendicular to the line 9xβ7y = 21. Give your answer in slope intercept form.
9. Write an equation for a line perpendicular to y = 4x + 1 and passing through the point (-12,1).
10.