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sweet-ann [11.9K]
3 years ago
8

Help on 5 and 6 please!!

Mathematics
1 answer:
lawyer [7]3 years ago
3 0
5) x^2+3x-1. when x <= -2
3f (-5)= 3 (5^2+3 (-5)-1)
= 75-45-3
=27

-2 <x <6
2 (2)^x-1
4f (2)= 4. (2 (2)^2-1)
=16

x>6

f (10)= (3x+6)/x+2
= 36/12
=3

3f (-5)+4f (2)-f (10)
= 27+16-3
=40. 40 is the final answer

Good luck; )
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