Differentiate.f(x) = 3 - e-x
A. e-x
B. 3 - e-x
C. -e-x
D. 3 + e-x
Answer: A
Mathematics
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Translate the problem to an equation. Do not solve.A number minus 3 equals 5.
A. 3 - x = 5 B. x - 3 = 5 C. x = 3 - 5
Mathematics
A. y
B. 
C. y1/2
D. y3/4
Mathematics
Find the domain and range.{(-1,4), (-1,-9), (-11,2), (-7,3), (-5,9)}
A. domain = {-1, 12, -11, -5, -7}; range = {-9, 2, 9, 3, 4} B. domain = {-1, -2, -11, -5, -7}; range = {-9, 2, 9, 3, 4} C. domain = {-9, 2, 9, 3, 4}; range = {-1, -1, -11, -5, -7} D. domain = {-1, -11, -5, -7}; range = {-9, 2, 9, 3, 4}
Mathematics
Simplify the expression. Assume that all variables are positive.
A. 7z10 B. 7z8 C. 49z5 D. 7z5
Mathematics