2 answers:
A) y=(-0.49)x²+23.38x+996.03
Hey there, the answer to your question is
A) y=(-0.49)x²+23.38x+996.03
B) 1267.63
Use technology for part A.
Using the equation from part A, substitute 20 in place of x:
y=(-0.49)(20²)+23.38(20)+996.03
y=1267.63
Hope I Helped out
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