Sequences
What are the next 2 terms of the sequence:
5, 10, 15, 20, ... , ..., ...
25, 30
The variable that is not affected by another variable, it is in control.
Independent Variable
What type of function is: f(x) = 4x
Line
Solve: x - 4 = 2
x = 6
Raul needs to sell more than 20 boxes of candy to meet his fundraising goal. Write an inequality to represent this using the variable b.
b > 20
Is the sequence 5, 10, 15, 20, ..., ..., ... arithmetic or geometric?
Arithmetic
Variable that is affected by another variable, it changes based on the other.
Dependent Variable
What type of function is f(x) = | x - 3 |
Solve: 4x - 1 + 3
x = 1
On a graph, a > is represented y an open or a closed circle?
open circle
The sequence 5, 10, 15, 20, ..., ..., ... has a common difference. The common difference is ______?
5
A function must pass the:
vertical line test
What type of function is f(x) = x^2
Quadratic or Parabola
Solve for p: 2p^2 = 32
p = 4
Solve for x: 2x - 12 < 4
x < 8
Write a recursive formula for the sequence 5, 10, 15, 20, ..., ..., ...
an = an-1 + 5
The set of x-values in a function:
Domain
What type of function is f(x) = 2^x
Exponential
Solve for x: 4(x - 3) + 1 = 13
x = 6
Solve for x: -1/4x + 3 > 11
x < -32
Write an explicit formula for the sequence 5, 10, 15, 20, ..., ..., ...
an = 5 + (n-1)5
The set of y-values of a function:
Range
For an exponential function to be decreasing, the base must be:
Less than 1
Solve for x: 1/2x^2 - 3 = 47
x = 10
Solve for p: 3 < 2x - 1 < 9
1 < x < 4