Answer:
D
Step-by-step explanation:
Well, you put a dot instead of a comma.
8x+800-3=837
8x=837-797
8x=40
x=40/8
x=5
4x-2x-7x= -5x
-5-3=-8
-5x-8
Answer:
- 439
Step-by-step explanation:
evaluate f(- 7) and substitute the value obtained into s(x)
f(- 7) = 3(- 7) = - 21 , then
s(- 21) = 2 - (- 21)² = 2 - 441 = - 439
Answer:
C and D give rational numbers, as the square root of 49 is ±7 and the square root of 100 is ±10.
