Determine whether the equation defines y as a function of x.y = 
A. Yes
B. No
Answer: A
Mathematics
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Write the given number in scientific notation.721
A. 7.21 × 103 B. 7.21 × 101 C. 7.21 × 10-2 D. 7.21 × 102
Mathematics
Write the number in standard form.3
A. 
+ 
i
B. 
+ 
i
C. 
+ 
i
D. 
+ 
i
Mathematics
Solve.Mike filled his car's gas tank and noted that the odometer read 16,819.4. After the next filling, the odometer read 17,455.8. It took 18.5 gal to fill the tank. How many miles per gallon did the car get?
A. 35.4 mpg B. 34.4 mpg C. 34.7 mpg D. 33.7 mpg
Mathematics
Determine the vertex of the graph of the parabola.y = x2 - 2x + 5
A. (1, -4)
B. 
C. (1, 4)
D. (1, -1)
Mathematics