7 is 400, 6 = 18 5 = 50 hope it helps
Answer:
see attached graph
Step-by-step explanation:
Given equation: 
Standard form of a quadratic equation: 
where
is the y-intercept
If
then the parabola opens upwards.
If
then the parabola opens downwards.
Therefore, the y-intercept of the graph is (0, 3)
To find the x-intercepts, factor the equation:




Therefore, the x-intercepts of the graph are (3, 0) and (1, 0)
To determine the vertex, differentiate the equation:

Set to zero and solve for x:

Substitute
into the original equation and solve for y:

Therefore, the vertex (or turning point) is at (2, -1)
Answer:
Part A: $0.52
Part B: $3.64
Step-by-step explanation:
Divide $6.24 by 12 pounds to determine the cost per pound

Multiply $0.52 by 7 pounds to find the cost for a 7-pound watermelon

Okay...
t-8<25
t<25 add 8 to 25
t<33