5 minutes will be reamaning but . the two people get 18 minutes so to get equel time for 5 minutes one person gets 2:30 and other 2;30 more
The vertex is the lowest/highest point, depending on if the parabola opens upwards or downwards.
So because the vertex opens upwards, we are looking for the lowest point which is at (2,-3).
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Answer:
x^2 +4x -21
Step-by-step explanation:
Substitute the given expressions and simplify.
f(x) + g(x)
= (x^2 +3x -28) +(x +7)
= x^2 +(3+1)x +(-28 +7)
= x^2 +4x -21
ANSWER
The explicit formula is :

EXPLANATION
The given sequence is
8,11,14,17,20,23,26,...
The first term is

The common difference is
d=11-8
d=3
The explicit formula is given by:

We substitute the values to get,

Sorry I cant help you with that good luck with that.