Find a quadratic function expressed in vertex form that models the data in the given table.
A. y = 2(x + 1)2 + 12
B. y = 2(x - 1)2 + 12
C. y = 3(x - 1)2 + 12
D. y = 3(x + 1)2 + 12
Answer: B
Mathematics
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Solve the equation.7(x - 4) + 1 = 7x - 6
A. x = 21 B. x = 1.5 C. x = 3.0 D. The equation is a contradiction.
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Write the complex number in rectangular form.6(cos 330° + i sin 330°)
A. -3
+ 3i
B. 3
- 3i
C. -3
- 3i
D. 3
+ 3i
Mathematics
Find an equation of variation for the given situation.p varies directly as q, and p = 1 when q = 
.
A. p = 14q
B. p = 
q
C. p = 13q
D. p = 15q
Mathematics
Evaluate the integral.
dt
A. 3
B. 
- 
C. 5 ln 3
D. 15
Mathematics