Vocabulary
If a graph is negative, what does that mean?
The graph is below the x-axis
Evaluate f(5) if f(x)= x - 5
f(5) = 0
R(t) represents the amount of rain(in inches) and t represents the # of hours since it started raining.
Explain what R(5)=2.5 means?
If a graph is positive, what does that mean?
above the x-axis
if f(x)= (4x+2) Find f(-2)
f(-2) = -6
M(h) represents the amount of money Charlie makes at his job, where h is how many hours he worked.
Explain what M(24)=360 means.
Charlies makes $360 when he works for 24 hours
What is the definition of a Maximum ?
The highest point on the graph
What does a decreasing graph mean ?
The graph is going down
Find f(10) if f(x)=x2 - 9
f(10) = 101
Molly is getting ice cream, and C(t) stands for the cost of the ice cream with the amount of toppings (t).
Explain what C(3)=7
An ice cream with 3 toppings costs $7
What is the R.O.C (Rate of Change) formula?
subtracted y's over the subtracted x's
Change of y's over the change of x's
If a graph is increasing, what does that mean?
the graph is going up
Fimd f(-1) if f(x)= 3x+6
f(-1)= 3
Marcus wants to buy a stuffed animal for his GF for Valentines Day and there are two options. A stuffed bear, B(a) and a elephant E(a), where a represents the number of accessories you can add the any stuffed animal.
What does E(3)> B(2)
The elephant with 3 accessories cost more than the bear with 2 accessories
How do we know if a table of numbers are NOT a function?
one of the inputs has two different outputs
What does a minimum mean?
The lowest point
f(x)= -2x+7 find f(-3)
Kristen has $500 in her savings account. She is able to save $50 each month. The function
S(m) represents the amount of money in her savings account S as a function of time in months m.
What does S(6)=800 mean?
After 6 months, Kristen has a savings of $800