Substitute 2 into x in the equation so f(x)= 5x2 -12 = -2 so it’s C = -2
Answer:
120 = 15x + 45 5 hours of lessons
Step-by-step explanation:
120 is total money so that goes on one side.
45 is a one-time cost so it is on its own.
15 per hour is another cost but this one depends on a variable so it has an x.
X represents the number of hours.
You put this together to from the equation: 120 = 15x + 45.
Subtract 45 from both sides: 75 = 15x
Divide 15 from both sides: 5 = x.
X = hours so 5 hours
Answer:
R= 0.08 i think
Step-by-step explanation:
I'm almost certain that k is 9/2 and 2. ((:
