Answer:
(f + g)(x) = – 3x^2 + 5x - 8
Step-by-step explanation:
(f + g)(x) = f(x) + g(x)
= 5x^2 + 9x – 4 + (– 8x^2 – 3x – 4)
= 5x^2 + 9x – 4 – 8x^2 – 3x – 4
Combine
= – 3x^2 + 5x - 8
This is true . Solution , root , x and zero all are the same thing
Answer:
I don't know
Step-by-step explanation:
i don't know
Answer:
Mean: 9
Median: 9
Mode: 9
Variance: 9
Standard deviation: 9
Step-by-step explanation: