(07.02 MC)
1 answer:
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Answer:
Student A and Student B both answered 2 questions correctly.
See explanation below
Step-by-step explanation:
Note: that answers in the form:
ARE ALL EQUIVALENT.
First of all, 4/5 is equivalent to 0.8 if we do long division.
and 19/20 is 0.95 if we do long division.
Now, <u>Student A:</u>
Both of the fractions are correct and the negative sign is equivalent and makes the answer correct, so both are correct.
For <u>Student B:</u>
Similarly, both answers are correct for this student as well, looking at the equivalence we showed first.
Also, "-" (negative) in front of the parenthesis and inside parenthesis here doesn't matter.
Hence,
Student A and Student B both answered 2 questions correctly.
Answer:
Graph (1)
Step-by-step explanation:
Given equation of the graph is,
y = 20(1.25)ˣ
Table for the input - output values of the function,
x -2 -1 0
y 12.8 16 20
These points lie on curve (1).
Therefore, curve (1) will be the graph represented by the equation.
