A student bought two juice pouches for $1.25 each and 3 bags of chips. The total cost was $5.05. Write and solve an equation to
2 answers:
Answer: $0.85
Step-by-step explanation:
Let the cost of a bag of chips be x.
Given : A student bought two juice pouches for $1.25 each and 3 bags of chips.
Then , the total cost will be :-
Since, the total cost was $5.05.
Then, the equation to determine the cost of a bag of chips would be :-
Subtract 2.5 from both sides , we get
Divide both side by 3 , we get
Hence, the cost of a bag of chips= $0.85 or 85 cents [∵ 1 dollar = 100 cents]
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The function
f(x) is even
g(x) is neither even nor odd
h(x) is odd
Steps:
for an even function it holds that f(-x) = f(x):
f(-x) = (-1)^6 x^6 - (-1)^4 x^ 4 = x^6 - x^4 = f(x) => f is even
for an odd h(x) it holds that h(-x) = -h(x):
It is easy to show that g(x) does not match any of the two possibilities above.