Answer:
4,200 hope it helped
Step-by-step explanation:
I believe 6 because either
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What do you need help with
Answer: Option a.
Domain: (-∞, ∞)
Range: (-∞, ∞)
Step-by-step explanation:
We have the function ![f(x) = 2x + cosx](https://tex.z-dn.net/?f=f%28x%29%20%3D%202x%20%2B%20cosx)
Note that f(x) is the sum of two continuous functions
and ![g(x) = cosx](https://tex.z-dn.net/?f=g%28x%29%20%3D%20cosx)
The domain and range of h(x) are all real numbers
The domain of g(x) is all real numbers. The range of g(x) is [-1, 1]
Then the domain of
will be <u>the intersection</u> of the domains of the function
and the function
.
Therefore <u>the domain of f(x) are all real numbers</u>. x ∈ (-∞, ∞)
The range of f(x) will be equal to<u> the union</u> of the range of g(x) and h(x)
Therefore <u>the range will be all real numbers f(x) </u>∈ (-∞, ∞)
If someone had an equation that was in slope intercept form, the y intercept and slope are easily accessible and easily calculable.
<span>Therefore, if someone had a line that was in slope intercept form, then they would probably choose to use the y intercept and slope to graph that line.</span>