Use natural logarithms to solve the exponential equation symbolically.4(1 + 2x) = 64

A. x =  - 
B. x =  - 2
C. x = 2 + 
D. x =   - 2


Answer: A

Mathematics

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Find the exact value of the trigonometric function. Do not use a calculator or tables.cos 

A.
B. - 
C. - 
D. - 

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Sketch the parabola that has a distance between the directrix and its focus to be 4 units. ?

A. ?
B.
C.

?


D. ?

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Find the absolute value.

A. -12 B. 12 C. ±12 D. 0

Mathematics

Add the polynomials.(4.3x4 + 2) + (2.1x4 + 4x3 - 8)

A. 10.4x7 - 6 B. 6.4x8 + 4x3 - 6 C. 6.4x4 + 4x3 + 6 D. 6.4x4 + 4x3 - 6

Mathematics