Solve the problem.The function P, given by P(d) = 
d + 1, gives the pressure, in atmospheres (atm), at a depth d, in feet, under the sea. Find the pressure at 200 feet. Round your answer to the nearest whole number.
A. 7 atm
B. 201 atm
C. 200 atm
D. 8 atm
Answer: A
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Solve the problem.Assume the total revenue from the sale of x items is given by 
while the total cost to produce x items is 
Find the approximate number of items that should be manufactured so that profit, 
is maximum.
A. 228 items B. 178 items C. 56 items D. 128 items
Determine which of the following methods is the best choice for solving the given equation: factoring, using the principle of square roots or using the quadratic formula. Then, solve the equation.x2 - 9 = 0
A. Factoring; 0, 3
B. Square root principle or factoring; 3
C. Square root principle or factoring; ±3
D. Quadratic formula; -3 + i
Use the end behavior of the graph of the polynomial function to determine whether the degree is even or odd and determine whether the leading coefficient is positive or negative.
A. odd; negative B. odd; positive C. even; negative D. even; positive
Find the dimension of the matrix. Tell if the matrix is a square, column, or row matrix, when applicable.
A. 1 × 3; row B. 3 C. 5, 8, 7 D. 3 × 1; column