What is the value of x?
1 answer:
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Answer:
113.04 cm^2
Step-by-step explanation:
To find the area, you do radius squared, multiplied by
Radius is half of the diameter. 12/2 is 6
6^2×3.14=113.1
Answer:
x > -3
Step-by-step explanation:
Domain: input values (x-values)
Monotonic increasing: always increasing.
A function is increasing when its graph rises from left to right.
The graph of a quadratic function is a parabola. If the leading term is positive, the parabola opens upwards. The domain over which the function is increasing for a parabola that opens upwards is values greater than the x-value of the vertex.
<u>Vertex</u>
Standard form of quadratic equation:
Given function:
Therefore, x-value of function's vertex:
<u>Final Solution</u>
The function is increasing when x > -3