Simplify the expression. Use the distributive property to remove any parentheses.-5(r + 7)
A. -5r - 35
B. r - 35
C. -5r - 7
D. -5r + 35
Answer: A
Mathematics
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Given the graph of f, find any values of x at which f ' is not defined.
A. x = 0 B. x = 3 C. x = 0, 3 D. Defined for all values of x
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Plot the complex number.-2
A. 
B. 
C. 
D. 
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Change the polar coordinates (r, ?) to rectangular coordinates (x, y).(-10, 225°)
A. (5?, 5?)
B. (5
, 5
)
C. (5
, 5
)
D. (-5
, -5
)
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Evaluate the function at the indicated value.Find f(1) when f(x) = 
.
A. - 
B. - 
C. 
D. - 
Mathematics