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guapka [62]
3 years ago
6

Find g[f(4)] if f(x) = 5x and g(x) = 3x - 7.

Mathematics
1 answer:
pickupchik [31]3 years ago
4 0

<u>Answer-</u>

<em>The value of g[f(4)] was found to be </em><em>53</em><em>.         </em>

<u>Solution-</u>

Given in the question,      

f(x)=5x,\ g(x)=3x-7      

As we have to find the value of composite function, so putting f(x) in g(x),      

g[f(x)]=3(5x)-7=15x-7    

Now putting x = 4,        

g[f(4)]=15(4)-7= 60-7 = 53    

Therefore, the value of g[f(4)] was found to be 53.

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