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OpenStudy (anonymous):
pls explain this, because i don't get this either. If f(x) = 2x + 6, find f(7). (A)14 (B)15 (C)20 (D)6
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OpenStudy (hoblos):
replace 7 in the place of x f(7)= 2(7) +6 = 14+6 =20
OpenStudy (hoblos):
get it ?
OpenStudy (anonymous):
yeah i get man thanks
OpenStudy (hoblos):
good :D
OpenStudy (anonymous):
so that mean that f(x) = −4x + 1, find f(−5). is 20 also right?
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OpenStudy (hoblos):
you forgot the 1 it is 21
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