answer:
(a).
Equation of circle is <u>x²</u><u> </u><u>+</u><u> </u><u>y²</u><u> </u><u>-</u><u> </u><u>2</u><u>5</u><u> </u><u>=</u><u> </u><u>0</u>
(b).
(-5, 0) » yes
(√7, 1) » no
(-3, √21) » no
(0, 7) » no
Step-by-step explanation:
(a).
If centred at origin, centre is (0, 0)
General equation of circle:

but g and f are 0:

What do you want me to find
angle 5 and angle 4 are exterior angles
Answer:
(x+6)(x-2)
Step-by-step explanation:
Assuming you want them multiplied
f(x)*g(x)=(3x+5)(x^2)=3x³+6x²