Evaluate or find my x
(not ex!)
(not ex!)
Don't laugh at my graph
Where's the interception?
Slopes (but not the ones you ski on)
Miscellaneous
100
Given: f(x)=3x
Find f(2)
What is 6
100
The equation for the given graph is
What is x=2
100
What number do you substitute when you are finding the x and y intercept?
What is 0?
100
Find the slope of the given line.
What is 2?
100
Does the given table represent a linear function? Explain.
Yes, constant rate of change.
200
given: g(x)= 3/2 x+4
find f(0)
What is 4?
200
Sketch a graph: y=2x+3
200
Determine the y-intercept
5x+10y=30
What is (0,3)?
200
Find the slope
What is undefined?
200
Is it a function? Explain.
Function, passes VLT
300
given: g(x)=3/2 x+4
find f(-2)
What is 1?
300
Sketch a graph: y=-3x+2
300
Determine the x-intercept:
8x-5y=16
What is (2, 0)?
300
Find the slope given
(3, 1) and (–5, 3)
What is -1/4?
300
Determine the domain, range and if it's a function (explain why or why not)
Domain: -1, 0, 2, -2
Range: 1, 4, 7, 10
Function because every x has a y (or no x repeats)
400
given: g(x)=3/2 x+4
find f(4)
What is 10?
400
The equation for the given graph is
What is y=3?
400
Determine the x-intercept
5x+10y=30
What is (6,0)?
400
Find the slope for the given line.
What is zero?
400
Which ordered pair is a solution of 5x+4y=18? A. (-2, 7) B. (8, 2) C. (-3, 6) D. (2, 4)
What is choice A?
500
given: f(x) = 4x+15
find x if f(x) = 7
What is -2
500
Sketch a graph of the given function by finding the intercepts: 3x+y=3
Intercepts: (1, 0) (0, 3)
See whiteboard for graph.
500
Determine the y-intercept 8x-5y=16
What is (0,-16/5) or (0, -3.2)?
500
Find the slope given
(3, 4) and (–5, 0)
What is 1/2?
500
To start a dog washing business, you invest $300 in supplies and charge customers $10/hour. Your profit P (in dollars) for working t hours is given by the equation P=10t-300. You break even when your profit is $0. Find the number of hours (t) you must work in order to break even.
what is 30 hours?