Consider the function f(x) = x2 + 2x – 15. What are the x-intercepts of the function?   Left-most x-intercept: (, 0)   Right-most x-intercept: (, 0)​

3 ft

step-by-step explanation:

since the triangle is right use pythagoras' identity to solve for a

the square on the hypotenuse is equal to the sum of the squares on the other two sides, that is

a² + 8² = ( )²

a² + 64 = 73 ( subtract 64 from both sides )

a² = 9 ( take the square root of both sides )

a = = 3

correct answer:

i^31 = -i

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