What is the value of x in the following expression... 88 = 4a + x
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<span>f(n) = f(n-1) + 5 simply means
the next term or f(n), will have a value of
the one before it, or f(n-1), +5
so.. you're looking for the 4th term, that means f(4)
to get 4th term then, that will be the 3rd term plus 5,
whatever the 3rd term is
now... f(1) = -2, simply means, the term 1, or f(1), or first term, is -2
now to find a term value in an arithmetic sequence </span>
and I'm sure you know what f(1) is, so, just plug it in, to get f(4), or 4th term
the next term or f(n), will have a value of
the one before it, or f(n-1), +5
so.. you're looking for the 4th term, that means f(4)
to get 4th term then, that will be the 3rd term plus 5,
whatever the 3rd term is
now... f(1) = -2, simply means, the term 1, or f(1), or first term, is -2
now to find a term value in an arithmetic sequence </span>
and I'm sure you know what f(1) is, so, just plug it in, to get f(4), or 4th term