1. Given h(x)=x²-2 and r(x)=x²+x-2, find (h+r)(-1)
Note: kindly provide solution. Thank you for your effort and tine
Note: kindly provide solution. Thank you for your effort and tine
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Answer:
-3
Step-by-step explanation:
h(-1)+r(-1)
h(x)=x²-2
r(x)=x²+x-2
get the result:
h(-1)+r(-1)=((-1)²-2)+((-1)²-1-2)
calculate:
((-1)²-2)+((-1)²-1-2)
calculate the power:
(1-2)+((-1)²-1-2)
(1-2)+(1-1-2)
The sum of two opposite equals 0 :
(1-2)-2
Calculate the sum or difference:
-1-2
= -3
Hope you understand:>