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a) Find the value of 2x + y when x = 4 and y = 3

b) Find the value of a^2 + b when a = -2 and b = 5

Sagot :

(2x4)+3 =11 -qestion A
a) 2(4) + 3 = 8 +3 = 11

b) -2^2 + 5 = 4 + 5 = 9

i think so ! sorry if i’m wrong
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