Determine if the given value is a solution to the equation. Answer Yes or No.3(x - 1) - x = 4x + 6; x = -4
A. Yes
B. No
Answer: B
Mathematics
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Find dy.y = 6x2 + 9x + 2
A. (12x + 9) dx B. 12x + 18 dx C. 12x + 2 dx D. 12x dx
Mathematics
Use differentiation to determine whether the integral formula is correct.
dx = -x cos x + sin x + C
A. Yes B. No
Mathematics
Solve the problem.At age 50, Ann must choose between taking $18,000 at age 60 if she is alive then, or $30,000 at age 70 if she is alive then. The probability for a person aged 50 living to be 60 and 70 is 0.81 and 0.61, respectively. Using expected value, what is Ann's best option?
A. $30,000 at age 70 B. $18,000 at age 60
Mathematics
Translate using numbers and symbols.The difference of nineteen and x
A. 19 - x B. 19 ÷ x C. 20 - x D. x - 19
Mathematics