Dwayne earned $530 working 2 jobs. one job pays $14 per hour and the other pays $10 per hour. he worked a total of 45 hours how many hours did he work at each job? set up a system and solve

Dwayne worked 20 hours for first job and 25 hours for second job.

Step-by-step explanation:

Let the number of hours worked by Dwayne in first job = x

Let the number of hours worked by Dwayne in second job = y

Then, ----------------- (1)

First job pays $14 per hour

Second job pays $10 per hour

=> ------------- (2)

Solving (1) and (2):

Substituting in (2):

=>

=>

=>

=>

Substituting in (1):

=>

=>

f(2x−x2)=−3x2+6x−1

step-by-step explanation:

set up the composite function and evaluate.

f(2x−x2)=−3x2+6x−1