Algebra Nation. The graph of the quadratic function y=-x^2 -2x +3 is shown below. Which of theses talents are true? Select all that apply.
The graph has roots at 3 and 1.
The axis of symmetry is x = -1.
The graph has an x-intercept at (1,0).
The graph has a y-intercept at (-3,0).
The graph has a relative minimum at (-1,4).
The graph has a vertex at (-1,4).

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

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answer: d.) the total number of protons and neutrons is 15

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the ratio would be 4: 3, the four being for jackson, and the three being not for him.

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