Decide whether the situation involves permutations or combinations.An arrangement of 4 people for a picture.
A. Permutation
B. Combination
Answer: A
Mathematics
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Determine an appropriate viewing window for the given function and use it to display its graph.f(x) = -0.6x6 - x5 + 6x4 - 5x3 - 5x2 + x - 3
A. 
B. 
C. 
D. 
Mathematics
Richard's team wants to plant 435 trees in 3 months. How many trees per month do they need to plant?
A. 145 trees B. 148 trees C. 155 trees D. 290 trees
Mathematics
Write the logarithmic equation as an exponential equation.log B = C
A. 10C = B B. eB = C C. eC = B D. 10B = C
Mathematics
The augmented matrix is in row-echelon form and represents a system of linear equations. Solve the system using backward substitution.
Write the solution as an ordered triple, if possible.
A. (23 + 12z, -14 - 4z, z) 
B. (23 + 11z, -7 - 4z, z) 
C. (23 + 11z, -14 - 4z, z) 
D. No solution
Mathematics