Answer:


Step-by-step explanation:
1) y + 4 + 3(y + 2)
Expand:-

Combine like terms:-


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2) 0.5(x⁴ - 3) + 12
Expand:-

Add/Subtract Numbers:-

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You need to add what the lines are if you want them to be analysed for you^^
You should Google it because I forgot but others might know
Answer:
downward, maximum value
Step-by-step explanation:
f(x) = - x^2 - 3x + 1
The negative in front of the x^2 means the graph opens downwards
The y intercept is 1
Because it opens downward it has a maximum value
Answer:
-8b - 32
Step-by-step explanation:
Distribute the 8 to each term in the parentheses:
8(-b) = -8b
8(-4) = -32
Add these two terms together:
-8b - 32 is the simplified expression