Order of Operations
2³ + 4
12
If f(x) = 2x + 3, find f(4)
f(4)=11
- 7 x 4
-28
x + 7 = 12
x = 5
2x + 3 = 11
x = 4
(4 + 6) × 2
20
If g(x) = x - 5, find g(8)
g(8)=3
-5 - 4
-9
3x = 21
x = 7
3x - 5 = 10
x = 5
3 + 4 × 2² - 5
14
If h(x) = x², find h(6)
h(6)=36
24 + (-30)
-6
x/4 = -8
x = -32
-4x + 7 = -5
x = 3
2 × [15 - (3² + 1)] + 4³ ÷ 8
18
If f(x) = 3x² - 2x + 1, find f(-2)
f(-2)=17
-56/7
-8
-2x = -18
x = 9
r - 2 / 4 = 4
(8 + 2) ÷ (3 - 1) × 4
20
If f(x) = 2x³ - 5x² + 3x - 7, find f(-1)
f(-1) = -17
4(-10)
-40
x - 4.8 = 2.3
x = 7.1
(3x - 7)/2 + 4 = 11
x = 19/3