Mathematics
01.08.2020 00:37
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FSelect the correct answer. Consider these functions: f(x)=4x^3-10 g(x)=3x-4/2 What
FSelect the correct answer. Consider these functions: f(x)=4x^3-10 g(x)=3x-4/2 What is the value of g(f(2))? A. -6 B. 2 C. 19 D. 31
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lareynademividp0a99r
4,8(89 marks)
D. 31
Step-by-step explanation:
First we need to find what the value of f(2) is, so we are going to substitute x for 2 in f():
f(2)=4(2)^3-10
= 4(8)-10
= 32-10
= 22
And then we substitute 22 for x in g()
g(22)= (3(22)-4)/2
= (66 -4)/2
= 62/2
= 31
CHENDESHEN
4,6(84 marks)
3x+6=3x + 6
3x=3x
3x-3x=0
0x=0
That means that whatever value of x you choose, the answer always will be the same, so it doesn't matter what x you choose, so you have infinite number of possibilities
infinite solutions
3x=3x
3x-3x=0
0x=0
That means that whatever value of x you choose, the answer always will be the same, so it doesn't matter what x you choose, so you have infinite number of possibilities
infinite solutions
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