EASY FUNCTIONS
f(x) = 2x + 3
f(2)
7
f(x) = 3x − 2
f(2x + 5)
6x + 13
f(x) = 12x + 45
f(30)
405
f(x) = x³ + 2x² + 5x + 10
f(3)
61
WHAT IS EAINT'S FAVORITE THING TO PLAY
BATMINTON
g(x) = x² − 4x
g(5)
5
f(x) = x² − 4x
f(3x − 1)
9x² − 15x + 5
f(x) = 25x − 18
f(14)
332
f(x) = 2x³ − x² + 4x + 8
f(4)
144
WHAT IS MR.P FULL NAME
Andrew Puchalski
h(x) = 3x − 1
h(2x + 1)
6x + 2
f(x) = 2x + 7
f(f(x))
4x + 21
f(x) = 7x + 120
f(55)
505
f(x) = x⁴ − 2x³ + x² + 6x + 5
f(2)
21
f(3) means you substitute 3 into x(true or false)
TRUE
(x² − 1)/(x − 1)
f(4)
5
f(x) = x² − 3x + 1
f(x + 2) − f(x)
−x² + x + 3
f(x) = 9x − 67
f(102)
851
f(x) = 3x⁴ + x³ − 5x² + 2x + 1
f(3)
325
In f(x), the x is called the output.(TRUE OR FALSE)
FALSE
f(x) = 2x + 1
f(x) = 7
3
f(x) = 3x − 1
f(f(2x − 3))
18x − 19
f(x) = 15x + 300
f(80)
1500
f(x) = x⁵ − x³ + 2x² + 10x + 20
f(2)
44
If f(x) = x², then f(−2) = −4.(true or false)
false