9a - ab + 5bif a = 2 and b = 7
1 answer:
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<u>Answer:</u>
B.
<u>Step-by-step explanation:</u>
• Now make x the subject of the equation:
• Replace x with f⁻¹(x) and y with x:
Hello,
If center is (0,0)
x²/a²+y²/b²=1 for a half horizontal axis of a, and a half vertical axis of b
Here
a=2 ==> a²=4
b=8 ==> b²=64