Functions & Graphs
What is the vertical line test used for?
To determine if a graph is a function.
What is the degree of 3x4 - 2x + 7?
4
What is the inverse of an exponential function?
A logarithimic function
what is sin(90)?
1
What is the common difference in an arithmetic sequence?
The amount added or subtracted each term
What is the range of a function?
All possible output values
What is a polynomial?
An expression made of variables, coefficients, and whole number exponents
Slove : 2x = 8
x = 3
What side is opposite of the right angle in a triangle?
The hypotenuse
Find the next term: 3, 7, 11, 15, ___
19
What transformation moves a graph up 5 units?
Adding 5 outside the function.
Factor : x2 - 9
(x - 3)(x + 3)
What is log10(1000)?
3
What mnemonic helps remember trig ratios?
SOH - CAH - TOA
What does slope measure?
The steepness or rate of change of a line
What is the vertex form of a quadratic function?
f(x)=a(x - h)2 + k
What causes a hole in a rational function graph?
A common factor in the numerator and denominator.
What is the meaning of exponential growth?
A quantity increases by a constant percent rate.
What is the amplitude of y = 4cosx
4
What is the common ratio in a geometric sequence?
The factor multiplied each term
f(x)=2x2 - 8x + 3, What are the coordinates of the vertex?
(2, -5)
Find the zeros of x2 - 5x + 6.
x = 2 and x = 3
Slove : In(x) = 2
x = e2
In SOH - CAH - TOA, what does "TOA" stand for?
Tangent equals opposite over adjacent.
Find the explicit formula for the arithmetic sequence: 5, 8, 11, 14, ...