Find the quantity indicated.y varies directly as z2. If y = 288 when z = 6, find y when z = 4.
A. y = 24
B. y = 192
C. y = 128
D. y = 48
Answer: C
Mathematics
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Find the general solution of the differential equation. Use C, C1, C2, . . . to denote arbitrary constants. If used, do not simplify hyperbolic functions.y'(t) = 10t4 - 12t2 + 8 - 12t-3
A. y = 2t5 - 4t3 + 8t - 6t-2 + C B. y = 2t5 - 4t3 - 8t - 6t-2 + C C. y = 2t5 - 4t3 + 8t + 6t-2 + C D. y = 2t5 - 4t3 + 8 + 6t-2 + C
Mathematics
Use interval notation to describe the interval of real numbers.
A. [-4, ?) B. (-?, -4] C. (-?, -4) D. (-4, ?)
Mathematics
Write the specified ratio as a simplified fraction.Tuition at a certain college recently increased from $4,000 to $5,000. Find the ratio of the increase in price to the original price.
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the square root without a calculator.
A. 
B. 
C. 
D. 
Mathematics