Answer:
6
Step-by-step explanation:
y = x² - 6x + 11
Complete the square.
y = x² - 6x + 9 + 2
y = (x - 3)² + 2
a = 1, h = 3, k = 2
a + h + k = 6
Answer:
-210
<em>good luck, i hope this helps :)</em>
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Answer:
step 3 has incorrect justification.
Step-by-step explanation:
because it was combine like terms but 8 is still in left hand side. So,combine like terms 3 has incorrect justification.
You can use the sum and difference identities which for cosine is cos(a+b)= cosacosb-sinasinb
Answer:
a) 390
b)108
I hope this answer was helpfull for you
