Find the y- and x-intercepts for the equation. Then graph the equation.8y = -24 + 3x
A. (0, 8); (-3, 0)
B. (0, -3); (8, 0)
C. (0, 3); (8, 0)
D. (0, 8); (3, 0)
Answer: B
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Solve the problem.If x is the hydrogen ion concentration of a sample of water, then the pH of that water sample is If the pH of the water from one lake is 4.9 and the pH of the water from a second lake is 6.8, how many times greater is the hydrogen ion concentration of the second lake than the hydrogen ion concentration of the first lake? Round your answer to the nearest hundredth.
A. 5.26 B. 24.42 C. 0.01 D. 79.43
Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Incorrect; should be 51 R314 B. Incorrect; should be 50 R315 C. Correct D. Incorrect; should be 50 R316
Solve the problem.An electronics store determines the following demand function for phones of a particular type where q = the number of phones sold per day when the price per phone is x dollars. Find the elasticity when
per phone.
A. E(x) = 1.58 B. E(x) = 0.6 C. E(x) = 0.45 D. E(x) = 0.95
Solve the equation.4[3x + 1 - 2(x + 1)] = -3x + 4
A.
B.
C.
D.