Sagot :
f(20) = 8(20) - 15
= 145
This is quite easy.. maybe you should try the next questions. :)
= 145
This is quite easy.. maybe you should try the next questions. :)
you can subtitute the given X.
f(x)= 8x-15
the given X is 20 (subtitute)
= 8(20)-15
=160-15
= 145
f(x)= 8x-15
the given X is 20 (subtitute)
= 8(20)-15
=160-15
= 145