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3 years ago

I have been asked this question and I substituted the value of x in f with g(x), and rearranged the equality but is incorrect.

Mathematics

2 answers:

MrRa [10]3 years ago

7 0

Answer:

p = 2 and q = 14

Step-by-step explanation:

f(g(x)) = 3(px + 4) + p

f(g(x)) = 3px + 12 + p

6x + q = 3px + 12 + p

The trick here is to equate the coefficients.

6 = 3p and q = 12 + p

p = 2 and q = 14

Volgvan3 years ago

3 0

Answer:

if fg(x)=6x+q

then f(gx) =6x+q

3(px+4)+p =6x+q

3px+12+p = 6x+q

3px+p = 6x+q-12

make p the subject

p( 3x+1) = 6x+q-12

p= (6x + q -12 )/ 3x +1

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3 years ago

I have been asked this question and I substituted the value of x in f with g(x), and rearranged the equality but is incorrect. ​

I have been asked this question and I substituted the value of x in f with g(x), and rearranged the equality but is incorrect.