Find the equation of the midline of the function y = 2 sin(1∕4x) – 3.
1 answer:
<h3>Answer: A) y = -3</h3>
Explanation:
The general sine equation is
y = A*sin(B(x-C)) + D
where the D variable directly determines the midline. In this case, D = -3, so that corresponds to a midline of y = -3
The sine curve oscillates going up and down, passing through this middle horizontal line infinitely many times. See the graph below.
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Answer:
x1=-4/5, x2=18/5 and x3=7/5
Step-by-step explanation:
you can do linear combination between the rows:
2nd row=R2-3R1 and 3th row=R3-2R1
3th row=(3R2-R3)/15
1st row=R1+3R3 and R2-11R3
x1=-4/5, x2=18/5 and x3=7/5