Answer:
a.) 2x+y
2(4)+3
8+3=11
b.) a^2+b
(-2)^2+5
4+5=9
Explanation:
a) 11
b) 9
a) x=4 y=3
2x+y
2(4)+(3)
8+3
=11
b) a=-2 b=5
a^2+b
(-2)^2+(5)
4+5
=9
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