Answer:
75
Step-by-step explanation:
x = 5
Input 5 into the f(x) equation.
f(5) = 3(5)²
f(5) = 3 × 25
f(5) = 75
Hope that helps.
Answer:
Can l get sum more deatal
Step-by-step explanation:
Answer:
Step-by-step explanation:
Let's find the discriminant 

It is a positive number, therefore there are 2 solutions
Start at 8 a.m
First class and the break
8.00
1.00
-------- +
9.00
0.10
-------- +
9.10
Second class and the break
start at 9.10
9.10
1.00
------- +
10.10
0.10
-------- +
10.20
Third class and the break
start at 10.20
10.20
1.00
--------- +
11.20
0.10
-------- +
11.30
Fourth class (no break)
start at 11.30
11.30
1.00
-------- +
12.30
Fourth class end at 12.30