Solve: 5x/2 +x/4 = 3/2
x = 6/11
If f(x)= -12x+5, find f(-1).
f(-1) = 17
Describe the transformation occurring in the graph of y = x2 + 3
Vertical shift up 3
Write xy = 5 in logarithmic form
logx(5)=y
Find the domain: f(x) = x/(x-4)
Domain: {x | x not 4}
Find the slope between
(2,3) and (-2,-5)
m = 2
If f(x) = 3x+5 and g(x) = 2x-4,
find (f-g)(-9).
(f-g)(-9) = 0
Find the vertex of: h(x) = -2x2 + 4x - 5
(1,-3)
Write log5(k) = t in exponential form
5t = k
Multiply the complex numbers:
(5 + i)(5 - i)
26+0i
Find the equation of the line with
slope -3 and y-intercept 5/4.
y = -3x+5/4
If f(x) = 3x+5 and g(x) = 2x-4,
find (fg)(x).
(fg)(x) = 6x2 - 2x - 20
Find the y-intercept of
f(x) = (x+5)(x-1)(x-2)
(0,10)
Use change-of-base to express as common logs: log4(15)
log(15)/log(4) or ln(15)/ln(4)
Find the horizontal asymptote:
f(x) = (2x-5)/(4x+4)
y = 1/2
Solve: 3|x-5| = 9
x = 2, 8
If f(x) = 3x+5 and g(x) = 2x-4,
find (fog)(x).
(fog)(x) = 6x-7
Solve: x2 +3x +2 = 0
x = -1,-2
Determine final value of $500 initial deposit when invested at 3% for 4 years, compounded monthly.
$563.66
Write an equation that models the following: y varies directly as x and inversely as z.
y = kx/z
Write the equation of the line with
slope 5 going thru (-1,-2)
y = 5x+3
If f(x) = 3x+5 find its inverse f-1(x).
f-1(x) = (x-5)/3
Find the vertex:
f(x)=x2-6x+7
(3,-2)
Solve and simplify: log24+log2x = 3
x = 2
Find the vertical asymptote:
f(x)=(2x-2)/(x+4)
x=-4