Answer:
m = 8 + 3n
Step-by-step explanation: there is an app called photo math it solves these problems instantly. I used it for this problem.
if you purchase 5 shirt whitch are on sale for 17.98$ each write a expression for the total cost if the shirts
2 answers:
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Answer:
Real values of x where x < -1
Step-by-step explanation:
Above the x-axis, the function is positive.
The function is decreasing when the gradient is negative.
The function has a positive
coefficient, therefore the vertex is a local minimum;
This means the gradients are negative before the vertex and positive after it;
To meet the conditions therefore, the function must be before the vertex and above the x-axis;
This will be anywhere before the x-intercept at x = -1;
Hence it is when x < -1.
