Determine whether the relation is also a function.{(-2, 6), (1, -8), (5, 5), (9, 1), (11, -8)}
A. yes
B. no
Answer: A
Mathematics
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Using the horizontal-line test, determine whether the function is one-to-one.-0.3x2 + 2x + 2
A. Yes B. No
Mathematics
Solve the problem.A charged particle of mass m and charge q moving in an electric field E has an acceleration a given by 
where q and E are constants. Find 
.
A. 
= - 
B. 
= qEm
C. 
= 
D. 
= - 
Mathematics
Solve the problem.Decide which of the rational functions might have the given graph. 
A. f(x) = 1 + 
B. f(x) = 1 - 
C. f(x) = 
- 1
D. f(x) = 1 - x
Mathematics
Round the decimal to the given place value.1.256, nearest hundredth
A. 1.256 B. 1.25 C. 1.27 D. 1.26
Mathematics