Mathematics
05.08.2021 14:59
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We are given that f(x) 2x^2 + a. if a is a constant and f(2)+f(3)=f(5), what is
We are given that f(x) 2x^2 + a. if a is a constant and f(2)+f(3)=f(5), what is the value of a? a)6b)12c)24d)48
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chloesmolinski0909
4,9(34 marks)
You want to find "a" when f(2) +f(3) = f(5), for f(x) = 2x^2 +a.
Substituting, we have
... (2·2^2 +a) + (2·3^2 +a) = 2·5^2 +a
... 8 + a + 18 + a = 50 + a
... 26 + a = 50 . . . . . . . . . . . subtract a
... a = 24 . . . . . . . . . . . . . . . subtract 26
The appropriate choice is
... C) 24
yasminothman02
4,4(49 marks)
That is a cool poem!
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