Answer:
+
i
Step-by-step explanation:
Using the exact value
cos60° = and sin60° =
, then
3(cos60° + isin60°)
= 3( +
i) ← distribute by 3
= +
i ← in the form a + bi
A circular flower bed is 24m in diameter and has a circular sidewalk around it that is 2m wide. Find the area of the sidewalk in
1 answer:
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<em>Answer</em>
a. Vertical shrink by a factor of 1/3
<em>Step-by-step explanation</em>
Function transformation
• a,f(x) vertically compresses f(x) when 0 < a < 1
Given the function:
Multiplying f(x) by a = 1/3, we get:
Then, f(x) is vertically shrunk by a factor of 1/3
Answer:
a) true
Step-by-step explanation:
The bottom-line numbers from synthetic division <em>alternate signs</em>, indicating that -2 is a lower bound. The given statement is true.
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If the signs were all positive, it would indicate the proposed zero is an <em>upper bound</em>.
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A graph shows all real zeros are greater than -2.
