If f(x) = 3x + 2 and g(x) = x2 + 1, which expression is equivalent to (F.g) (x)

Mathematics

1 answer:

Misha Larkins [42]3 years ago

3 0

For those who may still need it in the future, the correct answer is actually: D: 3(x^2 + 1) +2

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Answer:

$\\ \gamma= \frac{a\cdot b}{b\cdot b}$

Step-by-step explanation:

The question to be solved is the following :

Suppose that a and b are any n-vectors. Show that we can always find a scalar γ so that (a − γb) ⊥ b, and that γ is unique if $b \neq 0$ . Recall that given two vectors a,b a⊥ b if and only if $a\cdot b =0$ where $\cdot$ is the dot product defined in $\mathbb{R}^n$ . Suposse that $b\neq 0$ . We want to find γ such that $(a-\gamma b)\cdot b=0$ . Given that the dot product can be distributed and that it is linear, the following equation is obtained