Find the value of the logarithm without using a calculator.log9
A. 81
B. -3
C. -81
D. 3
Answer: B
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Provide an appropriate response.Find all complex cube roots of z = -8. Write each root in rectangular form.
A. -2, 1 + 
i, -1 - 
i
B. -2, 1 + 
i, 1 - 
i
C. -2, -1 - 
i, 1 - 
i
D. -2, -1 + 
i, -1 - 
i
Solve.The effective yield from a grove of miniature pear trees is described by the equation E = x(700 - x), where x is the number of pear trees per acre. What is the maximum effective yield? How many pear trees per acre should be planted to achieve the maximum yield?
A. Maximum yield = 30,625 number of trees per acre planted = 175 B. Maximum yield = 122,500 number of trees per acre planted = 350 C. Maximum yield = 122,500 number of trees per acre planted = 175 D. Maximum yield = 122,500 number of trees per acre planted = 700
Find the ordered pair for the y-intercept of the graph of the quadratic equation.y = x2 + 3
A. (0, -3) B. (3, 0) C. (0, 3) D. (-3, 0)
For problems 8 and 9, use the rational inequality 
. Use interval notation to represent the solution.
A. 
B. 
C. 
D. 
E. no solution