Use the imaginary unit to write the expression.
A. i
B. -7i
C. 7i
D. ±7
Answer: C
Mathematics
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Find the limit, if it exists.
A. Does not exist
B. 
C. 11x
D. 
Mathematics
Translate using numbers and symbols.a number increased by six
A. n + 6 B. n × 6 C. n - 6 D. 6n
Mathematics
Solve the problem.The following string of B's and G's was obtained from tossing a quarter 40 times. Heads were listed as B and tails as G. Use this simulation to estimate the probability of two girls being born in succession.{BBGGGGGBGGBBGGGBGGBBBGBBGBBBBGGBBGGBGGBG}
A. 
B. 
C. 
D. 
Mathematics
Find (f ?g)(x) for the given functions f(x) and g(x).f(x) = 5x - 7 and g(x) = 6x - 4
A. 12x - 11 B. 30x - 46 C. 5x + 7 D. 30x - 27
Mathematics