I would go with D. 2x^2+3/2x-5
1/4 + 1/2 + x = −3/4
get a common denominator 1/4
1/4 +2/4 +x = -3/4
combine like terms
3/4 +x =-3/4
subtract 3/4 from each side
x = -3/4 -3/4
x = -6/4
divide top and bottom by 2
x = -3/2
x = -1 1/2
Answer : x = -1 1/2
A) f(x)=0.2x
B)f(12)=0.2(12)=2.4 dollars
Answer:
Step-by-step explanation:
All real numbers because x can assume every possible value
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