Please help me !!!!!!
2 answers:
Answer:
C)
Step-by-step explanation:
<h3>option—B&D</h3>we eliminate these two options
because remember quadratic function standard form
recall that, if
- a is negative then the graph will flip upside down
but a is positive so it won't flip upside down therefore,
these two are our answer
<h3>option-A:</h3>it seems good but it's not the answer according to the given condition however it's true for the opposite of the given condition:
<h3>option-C:</h3>it's our answer since the condition <u>x<</u><u>-</u><u>2</u><u> </u>for the quadratic function tells us everything is input For x which is less than -2 the graph-c as well yields so
likewise the absolute value function. the condition tells everything is input for x which is greater than or equal to -2 the graph also says so
hence our answer is C
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Let's define the following variables first.
A = number of tickets sold for adults
C = number of tickets sold for children
From the question, we can say that or form the following equations:
1. A + C = 790 tickets
2. $7A + $4C = $4, 390
The first equation can also be written as A = 790 - C. We can use this equation and replace "A" in the second equation.
From that, we can solve "C" by solving the equation formed above.
Therefore, 380 tickets for children were sold.
Since there are 790 tickets in total that are sold and 380 tickets for children were sold, we can say that 410 tickets for adult was sold.