Answer:
a
Step-by-step explanation:
No he's not correct
<span>(3 – 6y2)(y2 + 2)
= 3(y2) -6(y2)(y2) - 6y2(2) </span>+ 3(2)<span>
= 3y2 -6y4 - 12y2 </span>+ 6 <span>
= -6y4 - 9y2 +6</span>
<em>Answer</em>
= 11
<em>Explanation</em>
f(x) = x² + 3x- 7
To get the value of f(x) when x = 3, we substitute x with 3 in the function f(x).
f(x) = x² + 3x- 7
= 3² + (3×3) -7
= 9 + 9 - 7
= 11
Answer:
<u>k-4</u><u>=</u><u>9</u>
<u>k</u><u>=</u><u>9</u><u>+</u><u>4</u>
<u>k</u><u>=</u><u>1</u><u>3</u><u> </u>
<u>¥</u><u>¥</u><u>¥</u><u>¥</u><u>¥</u><u>¥</u>