en bu 1. Lara would like to take her child to a play park for the day (up to a maximum of 7 hours per day). She has 2 options: Fun Times Play Park charges R80 per day per child. Tumbles Play Park charges R60 per day per child. 1.1 Determine the formulae to represent the cost of taking her child to the two different play parks.

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step-by-step explanation:

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x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.

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step-by-step explanation:

there is no question content here, but you for the free points! : d