Answer:
- 4
Step-by-step explanation:
If the equation of a function is y=x2-5, the output when the input is -1 is
y = (-1)² - 5
= - 4
Hope it will help :)
Z = 20
3 x 20 = 60
60 - 12 = 48
I think it is 18 but I don't know why I thought of that.
2x = -5
x = -5 : 2
x = -2,5
................