Solve the following optimization problems. f(x) = x^2 + 3x - 4 subject to r e r. (a) min z (b) min z f (x) = xe" subject to r e r in(x2 x 1) subject to r e r. 1-e subject to r e r. (c) min z f(x) f(r) (d) max z

2x^2+5x+17

your welcome. : )

the first one

step-by-step explanation:

just id the test.

step-by-step explanation:

i'm pretty sure it would take 20 hours because it's half the men so you multiply the number of hours it takes by 2

cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x