Solve the equation. First simplify the expression by combining like terms.4(2z - 5) = 7(z + 5)
A. -15
B. 19
C. 15
D. 55
Answer: D
Mathematics
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Find the domain of the function.f(x) =
A. all real numbers, or (-?,?)
B. , or
C. , or
?
D. , or
Mathematics
Find the sum.
A. 231.75 B. 42.75 C. 192.4 D. 274.5
Mathematics
Perform the indicated operation. Simplify the result if possible.3 ft 9 in. ÷ 3
A. 1 ft 4 in. B. 1 ft 3 in. C. 3 ft 1 in. D. 2 ft 3 in.
Mathematics
Solve the problem.The demand function for a certain book is given by the function Find the marginal demand
A. D'(p) = -0.268pe-0.004p-1 B. D'(p) = -0.268e-0.004p C. D'(p) = 0.268e-0.004p D. D'(p) = -0.004e-0.004p
Mathematics