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john67728
02.07.2019 •
Mathematics
Evaluate this piecewise function at x=-4 and x=4. (can someone show me how to solve this because i don't know what to do to solve this)
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Ответ:
f(x) = x², x≤ -4
= x³, -4 < x ≤ 1
= √x, x > 1
To find f(-4), we note that f(x) = x², x ≤ 4, so we should use this part of the function.
f(-4) = (-4)² = 16
To find f(4), we note that f(x) = √x, x > 1, so we should use this part of the function.
f(4) = √4 = +2 or -2.
A graph of the function is shown below. It indicates that f(4) = +2 for continuity.
f(-4) = 16
f(4) = 2.
Ответ:
The answer is 9 if we have to find y
Step-by-step explanation:
First you subtract 6 from -12
Next Divide
Last Get answer