Do the ordered pairs below represent a relation, a function, both a relation and a function, or neither a relation nor a function? (-5,9) , (1,-3) , (5,-11) , (8,-17)

A.
both a relation and a function
B.
relation only
C.
function only
D.
neither a relation nor a function

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year. how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

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Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.