(f+g)(x) = f(x) + g(x)
(f+g)(x) = 3x-2 + 2x+1
(f+g)(x) = (3x+2x) + (-2+1)
(f+g)(x) = 5x - 1
Answer:
10y-30
Step-by-step explanation:
10*1y=10y
-3*10=-30
10y-30
Answer:
84
Step-by-step explanation:
Pretend her first 3 quizzes were all 83 since that was the average. So the 4th was 87.
83+83+83+87 = 336
Divide by the total number of quizzes because they are equally weighted.
336/4 = 84
Her new average score is 84.
Answer:
-3 < z < 3
Step-by-step explanation:
×4
10 < 2z + 16 < 22. -16
-6 < 2z < 6. ÷2
-3 < z < 3
Answer:
See the answers below
Step-by-step explanation:
Given data
Cost of artilce= $3600
Gain= 1/6 of 3600
Hence the Gain is
=1/6*3600
=0.166*3600
=$600
The Gain Percent is
=600/3600*100
=0.1666*100
=16.66%