The function y = 3.25x represents the energy(y) produced by the amount of biomass as a source(x). If y = 8.125, value of x is
A
3.5
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B
2.5
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C
1.25
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Solution
The correct option is B 2.5 The given equation is y=3.25x
Given y =8.125
Substitute the value of y in the given equation y = 3.25x
⇒ 8.125 = 3.25x
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⇒ x = 8.125 ÷ 3.25
Multiplying both numerator and denominator by 100,
x = 812.5 ÷ 325 2.5325812.5−650––––−216250−1625–––––00
Hence, the value of x = 2.5