Solve the problem.Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 770. Find a linear function S(t), which fits this data, and which expresses score as a function of time.
A. S(t) = 3.75t + 507.5
B. S(t) = 3.375t - 511.5
C. S(t) = -3.75t + 507.5
D. S(t) = 3.375t + 511.5
Answer: A
You might also like to view...
Graph the system of inequalities.3x - 2y ? 6 x - 1 > 0
A.
B.
C.
D.
Solve.The table below shows the population of four states in selected years. Population of Four States from 1960 to 2000 Source: US Census Bureau? 1960 1970 1980 1990 2000 Illinois 10,081,158 11,110,285 11,427,409 11,430,602 12,051,683 Michigan 7,823,194 8,881,826 9,262,044 9,295,297 9,679,052 Indiana 4,662,498 5,195,392 5,490,212 5,544,159 6,045,521 Minnesota 3,413,864 3,806,103 4,075,970 4,375,099 4,830,784How much did the population of Minnesota increase from 1,980 to 2,000?
A. 455,685 B. 456,685 C. 753,814 D. 754,814
Solve the application.According to nutrition facts on a box of cereal, the serving size for the cereal is cup. How many servings of the cereal can be placed in a container that holds 16 cups?
A. 33 ounces B. 8 servings C. 32 servings D. 4 servings
Multiply.(x - 4)(-2x + 12)
A. -2x2 + 20x + 20 B. -2x2 - 48x + 20 C. -2x2 + 20x - 48 D. -2x2 + 18x - 48