Answer:
71
-133
Step-by-step explanation:
Given the polynomial :
3x³– 4x² + 7x + 5, when x = 3 and also when
x = –3.
Put x = 3
3(3)³– 4(3)² + 7(3) + 5
3(27) - 4(9) + 21 + 5
81 - 36 + 21 + 5
= 71
Put x = - 3
3(-3)³– 4(-3)² + 7(-3) + 5
3(-27) - 4(9) - 21 + 5
-81 - 36 - 21 + 5
= - 133
In what? More explanation please
Answer:
6
Step-by-step explanation:
There 6 digits in this number so its of magnitude 6.
Answer:
1273.95
Step-by-step explanation:
it is that because the hundredth place is two from the right of the decimal.Also the 8 rounds the 4 up to a 5.
