Decide whether the relation is a function.{(2, -9), (2, -2), (5, 2), (8, -3), (11, 8)}
A. Function
B. Not a function
Answer: B
Mathematics
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Find the location of the indicated absolute extremum for the function.Maximum
A. x = 4 B. x = -1 C. x = 1 D. No maximum
Mathematics
Write the expression in standard form.(5 - 7i)(3 + 8i)
A. -71 - 61i B. 71 - 19i C. 71 + 19i D. -56i2 + 19i + 15
Mathematics
Determine whether the pair of lines is parallel, perpendicular, or neither.y = 
x - 9 and y = 
x - 7
A. parallel B. perpendicular C. neither
Mathematics
Multiply using the product rule.
? 
A. 8xy
B. 15xy
C. 
D. 
Mathematics