Answer: 23+9h+h^2
Step-by-step explanation:
f(3+h)=(3+h)^2+3(3+h)+5=
= 3^2+2*3*h+h^2+3*3+3*h+5=
= 9+6h+h^2+9+3h+5=
= 23+9h+h^2
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<u><em>Answer:</em></u>7
<u><em>Explanation:</em></u><u>We are given the equation:</u>
</span>

<span> * c
We want to get the value of the equation at <u>c = 8</u>.
Therefore, all we have to do is <u>substitute c in the equation with 8 and solve</u> as follows:
</span>

<span> * 8
= </span>

<span>
The 8 in the numerator will be cancelled out with the 8 in the denominator leaving us with only the <u>7 as a solution</u>
Hope this helps :)</span>
Do the parentheses first so 12 + 4 = 16
2.3 x 16 = 36.8
The Answer is 36.8
Hope I helped! ( Smiles )
Answer: 170
Step-by-step explanation:
We can set up simultaneous equations such that:
E = R+400
E - 60 = 3R
Solving gives R = 170 and E =570