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Find (f∘g)(x). f(x)=x+4 g(x)=x2+5x Write your answer as a polynomial

the polynomial y= x^3 + 9x^2 - 30x - 270 has an x-intercept at x=-9a) use the x-intercept to find a factor of the polynomial b)
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Can someone correct these for me please..Find the value of the polynomial 8x – 6 when x = 1 and when x = –1. My answer: So
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2. asked by jas20
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John wants to hire an editor to check his thesis paper. The editor charges a flat rate of $50 and $2 per page. Write a
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2. asked by Teresa
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find all the zeros of the following polynomial. Write the polynomial in fraction form. Show all the work.f(x)= x^4+3x^2-40
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2. asked by phyllys
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can someone please help me find all the zeros of the following polynomial. write the polynomial in factored form.f(x)=x^3-3x^2+1
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2. asked by Josh
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Find all rational zeros of the polynomial, and write the polynomial in factored form?P(x)= 2x^3-3x^2-2x+3
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2. asked by Monica
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find all zeros of the following polynomial. write the polynomial in factored form.f(x)=x^3-3x^2+16x-48
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2. asked by ladybug
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Find all zeros of the following polynomial. Write th polynomial in factored form. f(x) = x^4 - 256
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2. asked by Kameesha
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Let f(x) be a polynomial such that f(cos theta) = cos(4 theta) for all theta. Find f(x). (This is essentially the same as
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2. asked by John
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Find polynomial f(n) such that for all integers n \geq 1, we have6\left( 1\cdot1 + 2\cdot2 + \dots + n(n) \right) = f(n).\]
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2. asked by Jane
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