Linear & Quadratic
Polynomial
Rational
Exponential & Logarithmic
Reading Functions
Combining functions
100

Find the equations of the line with a slope=-2 and contains the point (3, -1)

y=-2x+5

100

Find the end behaviors of f(x)=x4-4x3+9x2-20x+20

as x -> inf., y-> inf.

as x -> -inf., y-> inf

100

State the y-intercept of (x+2)/[x(x+2)].

undefined

100

Expand the logarithm.

log3((uv2)/w)

log3u + 2log3v -logw

100

y=f(x).  Find f(-2).

f(-2)=2

100

f(x)=(x^2)-5; f(x-4)

(x^2)-8x+11

200

Write the equation of a line perpendicular to 3x-y=-4 and passes through the point (-2, 4).

y=(-⅓)x+(10/3)

200

Find the end behaviors of f(x)=-4x3+9x2-20x+20

As x -> inf, y -> -inf

As x -> -inf, y -> inf

200

State the excluded values.  Determine which are holes or vertical asymptotes. f(x)=(x+2)/[x(x+2)].

excluded values at x=0 (VA) and x=-2 (hole)

200

Condense the logarithm.

3log3x2 + ½ log3sqrt(x)

log3x3

200

Use the graph to determine the function's domain and range.

Domain: [0, inf.)

Range: [-1, inf.)

200
f(x) = 3x2 +x+1 and g(x)=3x

Find f-g and state the domain of f-g.

3x2-2x+1

x| all real numbers

300

State open interval in which the y=-x2-3x+4 is decreasing.

x| (-1.5, inf)

300

State the zeros of the polynomial function. f(x)=x2(x-2)(x+4)

x=0 (multiplicity 2)

x=2

x=-4

300

State the equation of the horizontal asymptote. f(x)=(x+2)/[x(x+2)].

BOBO, so y=0

300

Solve.  Write your answer in exact form

86+3x=4

-16/9

300

Determine the domain of (x)/(x^2-9)

x cannot equal -3 and 3

300

f(x) = 3x2 +x+1 and g(x)=3x

Find f x g and state the domain.

9x3+3x2+3x

x| all real numbers

400

Write the equation of the parabola that passes through (1, 6) and has a vertex of (-1, 2).

y=(x+1)2+2

400

Find the third degree polynomial function with real coefficients that has zeros at x=3, x=4+i.

f(x)=x3-11x2+41x-51

400

Find the hole of (x2-4)/(x2-x-2).

(2, 4/3)

400

What is the domain on ln(x+7)?

x>-7

400

Use your calculator to approximate the coordinates of the relative minimums y=2x3-5x+1

(.91, -2.04)

400

f(x) = 3x2 +x+1 and g(x)=3x

Find f/g and state the domain.

(3x2 +x+1)/3x

x|  x cannot equal 0

500

Algebraically find the vertex of y=-4x2+4x.  State if the value is a minimum or a maximum value.

(½, 1)  

Max since a>0

500

Find the complex zeros of f(x)=x4-4x3+9x2-20x+20

2 (multiplicity of 2), sqrt(5)i, -sqrt(5)i

500

State the horizontal or slant asymptote of (x2-4)/(x2-x-2).

EATS DC, so y=1

500

log3sqrt(x-2)=2

83

500

Write the equation for the piecewise function. 

y= f(x)= -x       x<0

              x        0<= x <=1

              (¼)x +¾     x>1

500

f(x) = 3x2 +x+1 and g(x)=3x

Find f(g(x)).   State the domain.

27x2 +3x+1

x|  all real numbers

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