Start on -7 since it is the y intercept(b). 4/1 is the slope. So from seven you would go up 4 right 1.
How do you do this? Could someone explain?
1 answer:
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Answer:
meter is difference in height between the submarine and the aircraft
Step-by-step explanation:
The height of aircraft above the surface meter
Depth at which the submarine lies below the surface meter
Depth at which the underwater robotic vehicle below the surface meter
Difference in height between the submarine and aircraft is equal to
meter
It looks like you might have intended to say the roots are 7 + i and 5 - i, judging by the extra space between 7 and i.
The simplest polynomial with these characteristics would be
but seeing as each of the options appears to be a quartic polynomial, I suspect f(x) is also supposed to have only real coefficients. In that case, we need to pair up any complex root with its conjugate to "complete" f(x). We end up with
which appears to most closely resemble the third option. Upon expanding, we see f(x) does indeed have real coefficients: