Determine if the sequence is geometric. If the sequence is geometric, find the common ratio.-7, -11, -15, -19, . . .
A. yes, -12
B. no
C. yes, 4
D. yes, -4
Answer: B
Mathematics
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Find the domain and range of the relation.
A. domain: (-?, ?), range: {-6, -3, 3, 4} B. domain: {-6, -3, 3, 4}, range: {-6, -2, 1, 6} C. domain: {-6, -2, 1, 6}, range: {-6, -3, 3, 4} D. domain: (-?, ?), range: (-?, ?)
Mathematics
Factor the trinomial completely. If the polynomial cannot be factored, write "prime."x4 - 3x2 - 54
A. (x2 - 54)(x2 + 1) B. (x2 - 9)(x2 + 6) C. (x2 + 9)(x2 - 6) D. prime
Mathematics
How much current must be supplied from the energy source if I1 = 3 A, I2 = 6 A, and I3 = 1 A?
a. 3 A
b. 4 A
c. 10 A
d. 9 A
e. Cannot be solved without knowing I4
Mathematics
Solve the equation.
= 3
A. 
B. ?
C. {9}
D. {3}
Mathematics