Question

What is the value of 12−2x−3y5for x = 2 and y = –4? A. -1/32 B. -16 C.-4 D. 1

Answer 1

3080

Explanation:

Please rewrite 12−2x−3y5 as 12−2x−3y^5: ' ^ ' signifies exponentiation.

Write out 12 - 2( ) - 3( )^5. Substitute the given x value into the first set of parentheses and the given y value into the second set:

12 - 2( 2 ) - 3( -4 )^5, or

12 - 4 -3(-1024) = 3080