Combine like terms.9x - 5x + 4
A. 8x
B. -4x + 4
C. 4x + 4
D. 14x + 4
Answer: C
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Find an approximate value for the integral, using the trapezoidal rule with n intervals. Round the answer to the nearest tenth if necessary.
, n = 4
A. 
B. 
C. 
D. 
Solve the problem.Find the area of the triangle determined by the points P(-3, 6, -4), Q(1, -3, -4), and 
A. 
B. 
C. 
D. 
For the given geometric sequence, find the limit of the infinite series, if it exists. an = 5 ? (2)n
A. No limit B. 3072 C. 3441 D. 1886
Solve.A vendor has learned that, by pricing caramel apples at $1.25, sales will reach 89 caramel apples per day. Raising the price to
will cause the sales to fall to 49 caramel apples per day. Let y be the number of caramel apples the vendor sells at x dollars each. Write a linear equation that relates the number of caramel apples sold per day to the price x.
A. y = -40x - 139
B. y = - 
x + 
C. y = -40x + 139
D. y = 40x + 39